THT INC
8-K, 1997-04-07
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                       _________________________________

                                   FORM 8-K

                                CURRENT REPORT

                    Pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported):  March 27, 1997



                                   THT Inc.
         -----------------------------------------------------------------
            (Exact name of registrant as specified in its charter)
 
 
             Delaware                   0-11365             73-1284563
    ----------------------------------------------------------------------------
           (State or other     (Commission File          (I.R.S. Employer
              jurisdiction       Number)                    Identification
          of incorporation)                                         No.)


                              33 Riverside Avenue
                          Westport, Connecticut 06880
    ----------------------------------------------------------------------------
                   (Address of principal executive offices)



      Registrant's telephone number, including area code:  (203) 226-6408



                                      N/A
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report)
<PAGE>
 
Item 5.  Other Events.

          On March 27, 1997, THT Inc. and its subsidiaries (collectively
hereinafter the "Registrant") entered into a Credit Agreement (the "Agreement")
with Fleet Bank, N.A. (the "Bank"). The Credit Agreement provides for a $2
million term loan ("Term Loan") to the Registrant and for a $2 million revolving
line of credit ("Line of Credit") to the Registrant. The Term Loan is for a term
of five years and provides for quarterly principal payments of $100,000,
commencing as of June 30, 1997, with interest payable monthly in arrears. The
Line of Credit is for a period of two years, and upon the expiration thereof,
unless such Line of Credit is extended, the outstanding principal amount then
outstanding, if any, is due and payable. Interest on the Line of Credit is
payable monthly in arrears.

          Interest on the outstanding principal amount of the Term Loan and on
the outstanding principal amount of the Line of Credit will accrue, at the
Registrant's option, at the Bank's prime rate, as announced from time to time,
or the London Interbank Offer Rate ("LIBOR") plus 2%. Both the Term Loan and the
Line of Credit are secured by all of the Registrant's assets, pursuant to the
terms of certain security agreements, dated as of March 27, 1997.

          On March 31, 1997, the Registrant borrowed $2 million under the Term
Loan. Of such borrowing, $100,000 principal amount of the Term Loan bears
interest at 7.7734%, and $1.9 million principal amount thereof bears interest at
a rate of 7.9375%. To the extent the Line of Credit is not utilized by the
Registrant, the Registrant is obligated to pay an annual commitment fee of
 .1875% for the average unused portion of the Line of Credit (or $3,750 per annum
if the Registrant does not use any portion of the $2 million Line of Credit).

          The Registrant borrowed the aggregate principal amount under the Term
Loan to redeem 1,000 shares of its Preferred Stock owned of record by PH II
Holdings, Inc. ("PH II"), an affiliate of the Registrant. The redemption price
of the Preferred Stock was $1 million or the face value of such stock. In
addition, the loan proceeds were used by the Registrant to repay PH II $500,000,
representing the remaining outstanding principal balance, plus accrued interest,
due such entity under the terms of a demand note dated February 3, 1997, and
which note was in the original principal amount of $900,000, and was originally
issued to fund the satisfaction of obligations due the former shareholders of
Jackburn Mfg., Inc.; and to repay $430,011.60 principal amount, plus accrued
interest, due PH II under the terms of a promissory note dated June 1, 1992 and
which note was due on May 31, 2002. The demand note bore interest at the prime
rate and the promissory note bore interest at the prime rate plus 2%.

          The Registrant is required under the Agreement to adhere to certain
affirmative and negative covenants, and borrowings under the Line of Credit is
limited to 80% of eligible accounts receivables and 50% of the inventory of the
Registrant, as set forth in the Agreement. The Line of Credit supersedes a
$1,000,000 line of credit with the Bank which was due to expire on May 1, 1997.
<PAGE>
 
Item 7.  Financial Statements and Exhibits.

          (c)  Exhibits.

               10.1 Credit Agreement, dated as of March 27, 1997, by and among
                    the Registrant and Fleet Bank, N.A.

               10.2 Security Agreement, dated as of March 27, 1997, by and
                    between THT Inc. and Fleet Bank, N.A.

               10.3 Security Agreement, dated as of March 27, 1997, by and
                    between Setterstix Corporation and Fleet Bank, N.A.

               10.4 Security Agreement, dated as of March 27, 1997, by and
                    between Jackburn Mfg., Inc. and Fleet Bank, N.A.

               10.5 Term Loan Promissory Note

               10.6 Revolving Credit Loans "Line of Credit" Promissory Note
<PAGE>
 
                                  SIGNATURES

          Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                    THT INC.



                                    By:  /s/  Frederick A. Rossetti
                                       --------------------------------------
                                         Frederick A. Rossetti, President

Date:  April 2, 1997

<PAGE>
 
EXHIBIT 10.1


                               CREDIT AGREEMENT

                          DATED AS OF MARCH 27, 1997

                                    BETWEEN

                                   THT INC.,

                            SETTERSTIX CORPORATION

                                      AND

                              JACKBURN MFG., INC.

                        (COLLECTIVELY, THE "BORROWERS")

                                      AND

                                FLEET BANK N.A.



                                  $2,000,000
                                   TERM LOAN


                                  $2,000,000
                           REVOLVING CREDIT FACILITY



<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                         Page(s)
                                                                         -------
<S>                                                                      <C>
ARTICLE I
DEFINITIONS AND RULES OF CONSTRUCTION...................................    1

  Section 1.1.  Definitions.............................................    1
                -----------

  Section 1.2.  General Construction....................................    9
                --------------------

  Section 1.3.  Accounting Terms........................................   10
                ----------------

ARTICLE II
THE LOANS...............................................................   10

  Section 2.1.  Term Loan...............................................   10
                ---------

  Section 2.2.  Revolving Credit Loans..................................   10
                ----------------------

  Section 2.3.  Disbursement of Loans...................................   10
                ---------------------

  Section 2.4.  Repayment of Term Loan..................................   11
                ----------------------

  Section 2.5.  Repayment of Revolving Credit Loans; Extension of
                -------------------------------------------------
                 Revolving Credit Commitment Period.....................   11
                -----------------------------------

  Section 2.6.  Interest................................................   12
                --------

  Section 2.7.  Notes...................................................   13
                -----

  Section 2.8.  Up-Front Fee............................................   13
                ------------

  Section 2.9.  Commitment Fee..........................................   13
                --------------

  Section 2.10. Cancellation or Reduction of Revolving
                 Credit Commitment......................................   14
                ------------------

  Section 2.11. Use of Loan Proceeds....................................   14
                --------------------

ARTICLE III
PLACE AND MANNER OF PAYMENTS; PREPAYMENTS; YIELD PROTECTION.............   14

  Section 3.1.  Place and Manner of Payment.............................   14
                ---------------------------

  Section 3.2.  Optional and Mandatory Prepayments......................   15
                ----------------------------------

  Section 3.3.  Increased Costs.........................................   15
                ---------------

  Section 3.4.  Break Funding Payments..................................   16
                ----------------------
</TABLE>
 
                                      (i)
<PAGE>
 
                               TABLE OF CONTENTS
                                  (Continued)

<TABLE>
<CAPTION>
                                                                        Pages(s)
                                                                        --------
<S>                                                                     <C> 
  Section 3.5.  Certificate.............................................   16
                -----------

ARTICLE IV
COLLATERAL..............................................................   16

  Section 4.1.  Security Agreements.....................................   16
                -------------------

  Section 4.2.  [Intentionally omitted].................................   16
                -----------------------

  Section 4.3.  Assignment of Material Equipment Leases.................   16
                ---------------------------------------

  Section 4.4.  Subsidiaries............................................   16
                ------------

  Section 4.5.  Further Assurances......................................   17
                ------------------

ARTICLE V
REPRESENTATIONS AND WARRANTIES..........................................   17

  Section 5.1.  Representations and Warranties of the Borrowers.........   17
                -----------------------------------------------

  Section 5.2.  [Intentionally omitted].................................   22
                -----------------------

  Section 5.3.  Representations and Warranties Regarding
                ----------------------------------------
                 Hazardous Materials....................................   23
                --------------------

ARTICLE VI
CONDITIONS PRECEDENT....................................................   24

  Section 6.1.  Conditions to the Initial Loan..........................   24
                ------------------------------

  Section 6.2.  Conditions Precedent to Each Loan.......................   26
                ---------------------------------

ARTICLE VII
COVENANTS...............................................................   26

  Section 7.1.  Affirmative Covenants...................................   26
                ---------------------

  Section 7.2.  Negative Covenants......................................   31
                ------------------

  Section 7.3.  Financial Covenants.....................................   35
                -------------------

  Section 7.4.  Change of Fiscal Year...................................   36
                ---------------------

ARTICLE VIII
EVENTS OF DEFAULT.......................................................   36
</TABLE>

                                     (ii)
<PAGE>
 
                               TABLE OF CONTENTS
                                  (Continued)

<TABLE> 
<CAPTION> 
                                                                         Page(s)
                                                                         -------
<S>                                                                      <C>
  Section 8.1.  Events of Default.......................................   36
                -----------------

  Section 8.2.  Review of Borrowers' Operations.........................   38
                -------------------------------

ARTICLE IX
MISCELLANEOUS...........................................................   38

  Section 9.1.  Notices.................................................   38
                -------

  Section 9.2.  Expenses; Indemnification...............................   39
                -------------------------

  Section 9.3.  Amendments and Modifications............................   39
                ----------------------------

  Section 9.4.  Waivers.................................................   39
                -------

  Section 9.5.  Cumulative Remedies.....................................   40
                -------------------

  Section 9.6.  Successors and Assigns..................................   40
                ----------------------

  Section 9.7.  Survival................................................   40
                --------

  Section 9.8.  Usury...................................................   40
                -----

  Section 9.9.  Governing Law...........................................   40
                -------------

  Section 9.10. Submission to Jurisdiction..............................   40
                --------------------------

  Section 9.11. WAIVER OF JURY TRIAL....................................   41
                --------------------

  Section 9.12. Set-Off, Etc............................................   41
                ------------

  Section 9.13. Severability............................................   41
                ------------

  Section 9.14. Termination.............................................   41
                -----------

  Section 9.15. Counterparts............................................   42
                ------------

  Section 9.16. Limitation..............................................   42
                ----------
</TABLE>

EXHIBITS:

Exhibit A-1        Form of Borrowing Notice (Term Loan)
Exhibit A-2        Form of Borrowing Notice (Revolving Credit Loans)

                                     (iii)
<PAGE>
 
                               TABLE OF CONTENTS
                                  (Continued)

<TABLE> 
<CAPTION> 
                                                                         Page(s)
                                                                         -------
<S>                                                                      <C> 
Exhibit A-3          Form of Interest Notice
Exhibit B-1          Form of Term Note
Exhibit B-2          Form of Revolving Note
Exhibit C            Form of Request to Extend the Revolving
                      Credit Commitment Period
Exhibit D            Form of Borrowing Base Report

SCHEDULES:

Schedule 5.1(b)      Stockholders of each Borrower
Schedule 5.1(o)      Patents/Trademarks of each Borrower
Schedule 5.1(p)      Location of Offices and Collateral
Schedule 5.1(q)      Assumed Names; Former Names
Schedule 5.3(a)      Hazardous Materials
Schedule 7.2(a)(ii)  Existing Subordinated Debt of each Borrower
Schedule 7.2(b)      Existing Permitted Liens of each Borrower
Schedule 7.2(e)      Existing Permitted Loans by each Borrower
</TABLE> 

                                     (iv)
<PAGE>
 
    CREDIT AGREEMENT dated as of March 27, 1997 among THT Inc., a Delaware
corporation, Setterstix Corporation, a Delaware corporation, and Jackburn Mfg.,
Inc., a Pennsylvania corporation (each being a "Borrower" and, collectively, the
                                                --------                        
"Borrowers") and Fleet Bank N.A. (the "Bank").
 ---------                             ----   

    WHEREAS, the Borrowers have requested the Bank to provide to them, and the
Bank is willing subject to and upon the terms and conditions hereinafter set
forth to make available to the Borrowers, the credit facilities provided for
herein;

    NOW, THEREFORE, the Borrowers and the Bank agree as follows:

                                   ARTICLE I
                     DEFINITIONS AND RULES OF CONSTRUCTION



    Section 1.1.  Definitions.  Each of the following terms as used herein has
                  -----------                                                 
the meaning set forth for it below:

    "Accounting Changes" means: (i) changes in accounting principles required by
     ------------------                                                         
the promulgation of any rule, regulation, pronouncement or opinion by the
Financial Accounting Standards Board of the American Institute of Certified
Public Accountants (or successors thereto or agencies with similar functions)
and (ii) changes in accounting principles recommended and implemented by the
Borrowers' certified public accountants.

    "Affiliate" means, with respect to any specified Person, (i) each Person
     ---------                                                              
that, directly or indirectly, owns or controls 5% or more of any class of voting
stock of such specified Person, (ii) each Person directly or indirectly
controlling, controlled by or under direct or indirect common control with such
specified Person or any Affiliate of such Person, (iii) each general partner of
such specified Person that is a partnership, (iv) any officer or director of
such specified Person and (v) each spouse, child or parent of any Person
specified in clauses (i) through (iv) above living in the same household as such
specified Person.  For purposes of this definition, "control" of a Person means
the possession, directly or indirectly, of the power to direct or cause the
direction of its management or policies, whether through ownership of voting
securities, by contract or otherwise.

    "Bank" has the meaning set forth in the preamble.
     ----                                            

    "Bank's Office" means the office of the Bank at 1133 Avenue of the Americas,
     -------------                                                              
New York, New York 10036, or at such other location that the Bank has notified
to the Borrower's in accordance with Section 9.1.

    "Bankruptcy Code" means 11 U.S.C. (S)(S) 101, et seq., as amended from time
     ---------------                              -- ---                       
to time, and any successor statute.

    "Base Rate" means, for any day, a rate per annum equal to the greater of (a)
     ---------                                                                  
the Prime Rate in effect on such day and (b) the Federal Funds Effective Rate in
effect on such day plus 1/2 of 1%.  Any change in the Base Rate due to a change
in the Prime Rate or the Federal Funds 
<PAGE>
 
Effective Rate shall be effective from and including the effective date of such
change in the Prime Rate or the Federal Funds Effective Rate, respectively.

    "Borrower" has the meaning set forth in the preamble.
     --------                                            

    "Borrowing Base" means an amount equal to the sum of (i) 50% of the lower of
     --------------                                                             
cost (on a first-in first-out basis) or market value of all Eligible Inventory
plus (ii) 80% of the amount due on all Eligible Accounts Receivable (net of any
discounts, credits, rebates, allowances or setoffs).

    "Borrowing Base Report" has the meaning specified in Section 7.1(c)(i).
     ---------------------                                                 

    "Borrowing Date" means any day on which a Loan is made to each Borrower.
     --------------                                                         

    "Borrowing Notice" has the meaning specified in Section 2.3.
     ----------------                                           

    "Business Day" means (a) for all purposes other than as covered by clause
     ------------                                                            
(b) below, any day other than (i) Saturday, Sunday or a legal holiday in New
York, New York or (ii) any other day on which banking institutions in New York,
New York are authorized by law or by government decree to close and (b) with
respect to all notices and determinations in connection with, and payments of
principal and interest on, Eurodollar Loans, any day which is a Business Day
described in clause (a) and which is also a day for trading by and between banks
in the London interbank market.

    "Capital Lease" means any lease under which there arise Capitalized Lease
     -------------                                                           
Obligations.

    "Capitalized Lease Obligations" means any obligations under a conditional
     -----------------------------                                           
sale or other title retention agreement and the aggregate rental obligations
under any lease which, under GAAP, are required to be capitalized on the books
of the Borrowers or their Subsidiaries taken at the amount thereof accounted for
as indebtedness (net of imputed interest expense) in accordance with such
principles.

    "Collateral" means all property of the Obligors in which the Bank has a Lien
     ----------                                                                 
pursuant to any Security Document, including without limitation the accounts
receivable, inventory, machinery, and equipment and intellectual property owned
by any Obligor.

    "Commitment" means the Revolving Credit Commitment or the Term Loan
     ----------                                                        
Commitment; and "Commitments" means the Revolving Credit Commitment and the Term
                 -----------                                                    
Loan Commitment, collectively.

    "Commitment Fee" means the commitment fee payable pursuant to Section 2.9.
     --------------                                                           

    "Debt" means, as to any Person, without duplication, (i) all indebtedness
     ----                                                                    
(including principal, interest and fees) of such Person for borrowed money or
for the deferred purchase price of property (other than trade payables incurred
in the ordinary course of business), (ii) all indebtedness of such Person
evidenced by promissory notes, drafts, bonds, debentures or similar instruments,
(iii) the face amount of all outstanding letters of credit issued for the
account of such Person and (without duplication) all drafts drawn thereunder,
(iv) all obligations of such Person under Interest Rate Agreements, (v) all
liabilities for money borrowed secured by any Lien on any property owned by such
Person, whether or not such liabilities have been assumed by such 

                                      -2-
<PAGE>
 
Person, (vi) the aggregate amount of any Capitalized Lease Obligations of such
Person and (vii) all guarantees by such Person, or contingent obligations of
such Person, with respect to any Debt referred to in clauses (i) through (vi)
above of any other Person.

    "Default" means an Event of Default or any event or circumstance which, with
     -------                                                                    
the giving of notice or the lapse of time, or both, would be an Event of
Default.

    "Determination Period" means, for any fiscal quarter, such fiscal quarter
     --------------------                                                    
and the immediately preceding three fiscal quarters.

    "Disposition" means any sale transfer or other disposition by any Borrower
     -----------                                                              
or any of its Subsidiaries to any Person (other than to any Borrower or any of
its Subsidiaries) of any asset or property of any Borrower or any of its
Subsidiaries.

    "Distribution" means (i) any dividend, distribution or other payment by any
     ------------                                                              
Borrower or any Subsidiary thereof on or with respect to any share of the
capital stock of such Borrower or such Subsidiary, (ii) the purchase or
redemption by any Borrower or any Subsidiary thereof, directly or indirectly, of
any share of the capital stock of such Borrower or such Subsidiary and (iii) any
other payment or distribution by any Borrower or any Subsidiary thereof to any
of its shareholders on or in respect of any shares of the capital stock of such
Borrower or any Subsidiary thereof.

    "Dollars" and the sign "$" mean the lawful currency of the United States of
     -------                -                                                  
America.

    "EBITDA" has the meaning specified in Section 7.3(a).
     ------                                              

    "Effective Date" means the date on which this Agreement is executed by the
     --------------                                                           
Borrowers and the Bank.

    "Eligible Account Receivable" means an account receivable of Jackburn or
     ---------------------------                                            
Setterstix in which the Bank has a perfected Lien subject to no other Liens and
which meets each of the following requirements:  (a) such Borrower has a good,
marketable and undisputed title to such account receivable, free and clear of
any Liens other than Liens in favor of the Bank; (b) such account receivable is
payable in Dollars and the obligations of the account debtor under such account
receivable are not evidenced by a promissory note or other negotiable instrument
(except for any such note or instrument which has been pledged to the Bank); (c)
the account debtor on such account receivable (i) is a resident of the United
States or Canada, an entity organized under the laws of the United States or
Canada, or an office or branch, located in the United States or Canada, of a
non-U.S. entity (or is a non-U.S. resident and such account receivable is
covered by a letter of credit in favor of such Borrower issued or confirmed by a
United States bank or a U.S. office of a non-U.S. bank duly authorized to issue
or confirm such letter of credit), (ii) is not an Affiliate of such Borrower,
(iii) is not presently and was not during the immediately preceding 360 days in
default in the payment of any account receivable on which such Person is an
account debtor (except for any failure to pay resulting from a bona fide
                                                               ---- ----
dispute), and (iv) is not the subject of any bankruptcy or insolvency proceeding
of any kind and the creditworthiness of such account debtor is not otherwise
known to such Borrower as risky; and (d) the account receivable is evidenced by
an invoice dated on or about the date that shipment, delivery or performance was
made or rendered to the account debtor and (i) the account receivable is not
more than seventy-five (75) days past due and (ii) no more than one hundred five
(105) days have 

                                      -3-
<PAGE>
 
elapsed from the invoice date of such invoice; provided, however, that (1) if
                                               --------  -------
the Bank reasonably determines in good faith (after notice to and consultation
with such Borrower) that an account debtor on an account receivable is not
acceptable to the Bank, no account receivable of such account debtor shall be an
Eligible Account Receivable after the 14th day following the giving of such
notice to such Borrower and (2) unless the Bank agrees otherwise in writing, if
any one Person and its or his Affiliates are the account debtors on accounts
receivable of any Borrower aggregating more than 25% of such Borrower's accounts
receivable, such accounts receivable shall be Eligible Accounts Receivable only
to the extent of 25% of such accounts receivable. No accounts receivable in
excess of $10,000 in the aggregate for which the account debtor is the United
States government or any agency or department thereof shall in any event be
Eligible Accounts Receivable unless all requirements of the Assignment of Claims
Act applicable to the grant to the Bank of a Lien on such accounts receivable
shall have been complied with so as to make such Lien valid, perfected and
enforceable as against the account debtor.

    "Eligible Inventory" means all inventory of Jackburn or Setterstix of
     ------------------                                                  
merchantable quality which is held at locations specified in Schedule 5.1(s) (or
at other locations to the extent permitted herein) or which is in transit and in
which the Bank has a Lien pursuant to a Security Agreement, subject to no other
Liens; provided, however, that there shall in any event be excluded from
       --------  -------                                                
Eligible Inventory (i) all items of inventory which are not held by such
Borrower, (ii) all inventory which is not manufactured, sold or consumed by such
Borrower in the ordinary course of its business, (iii) all inventory
constituting maintenance and supplies inventory of such Borrower, (iv) all
customized finished inventory held by such Borrower for more than 90 days (in
the case of such inventory for which there are no firm orders) or more than 180
days (in the case of such inventory for which there are bona fide firm orders
from Persons who are not Affiliates of such Borrower), (v) excess inventory or
inventory which is not readily marketable, and (vi) inventory which is held by
such Borrower on consignment.

    "Employee Benefit Plan" means an employee benefit plan which is covered by
     ---------------------                                                    
Title IV of ERISA or is subject to the minimum funding standards under Section
412 of the IRC and is maintained (i) by any Borrower or any of its Subsidiaries
or any ERISA Affiliate or (ii) pursuant to a collective bargaining agreement or
other arrangement under which any Borrower or any of its Subsidiaries or any
ERISA Affiliate is making or accruing an obligation to make contributions.

    "Environmental Laws" means any and all federal, state and local statutes,
     ------------------                                                      
laws, regulations, rules, ordinances, codes, licenses, permits, judgments,
orders, decrees or governmental restrictions now or hereafter in effect relating
to Hazardous Materials or to the pollution or protection of the environment or
the release of any Hazardous Materials into the environment or other
environmental matters, including (without limitation) the Clean Air Act, the
Federal Water Pollution Control Act of 1972, the Resource Conservation and
Recovery Act of 1976, the Comprehensive Environmental Response, Compensation and
Liability Act of 1980, the Hazardous Materials Transportation Act and the Toxic
Substances Control Act, in each case as amended.

    "Equipment Lease Assignment" has the meaning specified in Section 4.3.
     --------------------------                                           

    "ERISA" means the Employee Retirement Income Security Act of 1974, as
     -----                                                               
amended, and all regulations thereunder.

                                      -4-
<PAGE>
 
    "ERISA Affiliate" means any Person who is a member of a group that is
     ---------------                                                     
controlled by or under common control with any Borrower or any Subsidiary of any
Borrower and who together with such Borrower or such Subsidiary is required to
be treated as a single employer under Section 414(b), (c), (m) or (o) of the
IRC.

    "ERISA Termination Event" means (i) the withdrawal of any Borrower, any
     -----------------------                                               
Subsidiary of any Borrower or any ERISA Affiliate from an Employee Benefit Plan
during a plan year in which it was a "substantial employer" (as defined in
Section 4001(a)(2) of ERISA) with respect to such Employee Benefit Plan and is
or would be subject to liability under Section 4063 of ERISA, or (ii) the filing
with the PBGC of a notice of intent to terminate an Employee Benefit Plan or the
treatment of an Employee Benefit Plan amendment as a termination under Section
4041 of ERISA, or (iii) receipt of notice of an application by PBGC to institute
proceedings to terminate an Employee Benefit Plan pursuant to Section 4042 of
ERISA, or (iv) the partial or complete withdrawal by any Borrower, any
Subsidiary of any Borrower or any ERISA Affiliate of any Borrower or Subsidiary
from a Multiemployer Plan or receipt by any Borrower or any Subsidiary of any
Borrower of notice of "withdrawal liability" pursuant to Section 4202 of ERISA
or (v) any other event or condition which might constitute grounds under Section
4041 of ERISA for the termination of, or the appointment of a trustee or
administrators for, any Employee Benefit Plan.

    "Eurodollar Rate" means, with respect to any Eurodollar Loan for any
     ---------------                                                    
Interest Period, an interest rate per annum (rounded upwards, if necessary, to
the next 1/16 of 1%) equal to (a) the LIBO Rate for such Interest Period
multiplied by (b) the Statutory Reserve Rate.

    "Event of Default" means any of the events specified in Section 8.1.
     ----------------                                                   

    "Federal Funds Effective Rate" means, for any day, the weighted average
     ----------------------------                                          
(rounded upwards, if necessary, to the next 1/100 of 1%) of the rates on
overnight Federal funds transactions with members of the Federal Reserve System
arranged by Federal funds brokers, as published on the next succeeding Business
Day by the Federal Reserve Bank of New York, or, if such rate is not so
published for any day that is a Business Day, the average (rounded upwards, if
necessary, to the next 1/100 of 1%) of the quotations for such day for such
transactions received by the Bank from three Federal funds brokers of recognized
standing selected by it.

    "GAAP" means generally accepted accounting principles consistently applied.
     ----                                                                      

    "Hazardous Materials" means any and all hazardous toxic substances or
     -------------------                                                 
related materials, including, without limitation, any substance defined or
treated as a "hazardous substance" or "toxic substance" (or comparable term)
under any Environmental Law.

    "Insurance Recovery" means the receipt of any cash payments by any Borrower
     ------------------                                                        
or any of its Subsidiaries from its insurers by reason of theft, physical
destruction or damage or other similar event (including condemnation proceedings
or the exercise of eminent domain) with respect to any Collateral or real estate
of any Borrower or any of its Subsidiaries.

    "Interest Coverage Ratio" has the meaning specified in Section 7.3(b).
     -----------------------                                              

    "Interest Expense" means, with respect to any period, (i) all interest
     ----------------                                                     
(including imputed interest on Capitalized Lease Obligations) accrued during
such period on Debt of THT and its 

                                      -5-
<PAGE>
 
Subsidiaries (on a consolidated basis after excluding intercompany items), plus
(ii) any fees or commissions and net losses amortized during such period under
any Interest Rate Agreement of THT or any of its Subsidiaries, minus (iii) any
net gains under any such Interest Rate Agreement during such period.

    "Interest Period" means with respect to any Eurodollar Loan, the period
     ---------------                                                       
commencing on the Borrowing Date thereof and ending on the numerically
corresponding day in the calendar month that is one, two, three or six months
thereafter, as any Borrower may elect; provided, that (i) if any Interest Period
                                       --------                                 
would end on a day other than a Business Day, such Interest Period shall be
extended to the next succeeding Business Day unless such next succeeding
Business Day would fall in the next calendar month, in which case such Interest
Period shall end on the next preceding Business Day, (ii) any Interest Period
pertaining to a Eurodollar Loan that commences on the last Business Day of a
calendar month (or on a day for which there is no numerically corresponding day
in the last calendar month of such Interest Period) shall end on the last
Business Day of the last calendar month of such Interest Period, (iii) no
Interest Period shall extend beyond March 31, 2002 and no Interest Period for a
Revolving Credit Loan shall extend beyond the Revolving Credit Expiration Date
and (iv) the initial Interest Period for any Loan shall commence on the
Borrowing Date thereof (including the date of any conversion pursuant to Section
2.6(a)) and each Interest Period occurring thereafter in respect of such Loan
shall commence on the day on which the next preceding Interest Period expires.

    "Interest Rate Agreement" shall mean any interest rate agreement, any
     -----------------------                                             
interest rate cap agreement, any interest rate collar agreement or similar
agreement or arrangement designed to protect any Borrower or any Subsidiary of
any Borrower against fluctuations in interest rates.

    "IRC" means the Internal Revenue Code of 1986, as amended from time to time,
     ---                                                                        
and any successor statute.

    "Jackburn" means Jackburn Mfg., Inc., a Pennsylvania corporation.
     --------                                                        

    "Jackburn Business" means the business of manufacturing, marketing and
     -----------------                                                    
selling fabricated steel products, and the assets (tangible and intangible)
associated therewith.

    "Leased Premises" mean any manufacturing and distribution plants and other
     ---------------                                                          
facilities now or hereafter occupied by any Borrower or any Subsidiary of any
Borrower as lessee.

    "Lessor Consent" has the meaning specified in Section 4.3.
     --------------                                           

    "LIBO Rate" means, with respect to any Eurodollar Loan for any Interest
     ---------                                                             
Period, the rate at which Dollar deposits of $100,000 and for a maturity
comparable to such Interest Period are offered by the principal London office of
the Bank in immediately available funds in the London interbank market at
approximately 11:00 a.m., London time, two Business Days prior to the
commencement of such Interest Period.

    "Lien" means any lien, mortgage, security interest, pledge, encumbrance,
     ----                                                                   
charge, factoring arrangement or conditional sale or other title retention
arrangement.

    "Loan" means each Revolving Credit Loan or the Term Loan; and "Loans" means
     ----                                                          -----       
the Revolving Credit Loans and the Term Loan, collectively.

                                      -6-
<PAGE>
 
    "Loan Document" means this Agreement, each Note, and each Security Document;
     -------------                                                              
and "Loan Documents" means all of the foregoing, collectively.
     --------------                                           

    "Material Equipment Lease" means any lease having a term of more than one
     ------------------------                                                
year (or which may be extended or renewed at the option of the lessor or the
lessee for a term of more than one year) pursuant to which there is leased or
subleased any equipment or fixtures to an Obligor and under which such Obligor
is required to make annual rental payments in excess of $20,000.

    "Multiemployer Plan" means any Employee Benefit Plan which is a
     ------------------                                            
"multiemployer plan" as defined in Section 4001(a)(3) of ERISA.

    "Net Cash Proceeds" means, with respect to any Disposition, the aggregate
     -----------------                                                       
cash payments resulting therefrom (including deferred payments whether received
under a promissory note or otherwise and including any payments under non-
compete or similar agreements) net of (a) cash expenses of sale (including
commissions and brokers fees) and (b) taxes paid or payable as a result thereof
over and above the taxes which would otherwise have been payable in the absence
of such Disposition.

    "Note" means the Revolving Credit Note or the Term Note; and "Notes" means
     ----                                                         -----       
the Revolving Credit Note and the Term Note, collectively.

    "Obligations" means the obligations of each Obligor under the Loan Documents
     -----------                                                                
to which it is a party, including the obligation to pay all indebtedness,
contingent or otherwise, to the Bank incurred or guaranteed by such Obligor
thereunder.

    "Obligor" means each Borrower and any other Person party to a Security
     -------                                                              
Document (other than the Bank).

    "Owned Premises" mean all real estate and improvements thereon now owned or
     --------------                                                            
hereafter acquired by any Borrower or any Subsidiary of any Borrower and used or
intended to be used by it in the operations of such Borrower or Subsidiary.

    "Patents/Trademarks" means patents, patent rights, inventions, processes,
     ------------------                                                      
trade secrets, trademarks, trademark rights, trade names, service marks and
statutory and common law copyrights.

    "PBGC" means the Pension Benefit Guaranty Corporation and any successor
     ----                                                                  
thereto.

    "Permitted Liens" means Liens specified in clauses (i) through (xii) to
     ---------------                                                       
Section 7.2(b).

    "Person" means an individual, partnership, corporation (including a business
     ------                                                                     
trust), limited liability company, joint stock company, trust, unincorporated
association, joint venture or other entity, or a government or political
subdivision thereof or any agency or instrumentality of such government or
political subdivision.

    "Prime Rate" means the rate of interest per annum publicly announced from
     ----------                                                              
time to time by the Bank as its prime rate in effect at its principal office in
New York City; each change in the Prime Rate shall be effective from and
including the date such change is publicly announced as being effective.

                                      -7-
<PAGE>
 
    "Prohibited Transaction" means any transaction described in Section 406(b)
     ----------------------                                                   
or ERISA or Section 4975(c) of the IRC with respect to any Employee Benefit
Plan.

    "Quarterly Date" means each March 31, June 30, September 30, and December
     --------------                                                          
31.

    "Regulatory Change" means (a) the adoption of any law, rule or regulation
     -----------------                                                       
after the date of this Agreement, (b) any change in any law, rule or regulation
or in the interpretation or application thereof by any Governmental Authority
after the date of this Agreement or (c) compliance by the Bank (or by the Bank's
holding company, if any) with any request, guideline or directive (whether or
not having the force of law) of any Governmental Authority made or issued after
the date of this Agreement.

    "Reportable Event" means the occurrence with respect to any Employee Benefit
     ----------------                                                           
Plan of an event described in Section 4043 of ERISA.

    "Restricted Payment" means (i) any Distribution or (ii) any payment by any
     ------------------                                                       
Borrower or any Subsidiary of any Borrower in respect of any warrant or option
for the capital stock of any Borrower or any Subsidiary of any Borrower.

    "Revolving Credit Commitment" has the meaning specified in Section 2.2.
     ---------------------------                                           

    "Revolving Credit Commitment Period" means the period commencing on the
     ----------------------------------                                    
Effective Date and ending on the Revolving Credit Expiration Date, or such
earlier date on which the Revolving Credit Commitment shall terminate or be
cancelled pursuant to the provisions hereof.

    "Revolving Credit Expiration Date" means the second anniversary of the date
     --------------------------------                                          
of this Agreement or such later date to which the Revolving Credit Commitment
Period is extended pursuant to Section 2.5(b).

    "Revolving Credit Loan" has the meaning specified in Section 2.2.
     ---------------------                                           

    "Revolving Credit Note" has the meaning specified in Section 2.7(b).
     ---------------------                                              

    "Security Agreement" has the meaning specified in Section 4.1.
     ------------------                                           

    "Security Document" means each Security Agreement and Equipment Lease
     -----------------                                                   
Assignment executed and delivered by any Borrower or any Subsidiary thereof,
including any agreement, document or instrument delivered pursuant to Sections
4.4 and 4.5.

    "Setterstix" means Setterstix Corporation, a Delaware corporation.
     ----------                                                       

    "Setterstix Business" means the business of manufacturing, marketing rolled
     -------------------                                                       
paper products, and the assets (tangible and intangible) associated therewith.

    "Solvent" means, when used with respect to any Person, that (a) the fair
     -------                                                                
salable value of all assets of such Person exceeds the amount that will be
required to pay the probable liability on its debts (including contingent
liabilities); (b) such Person does not have unreasonably small capital to carry
out its business as now conducted and as proposed to be conducted by it,
including its capital needs; (c) such Person has not incurred liabilities which
are beyond its ability to pay 

                                      -8-
<PAGE>
 
as they become due; and (d) such Person is not "insolvent" as such term is
defined in Section 101(31) of the Bankruptcy Code.

    "Statutory Reserve Rate" means a fraction (expressed as a decimal), the
     ----------------------                                                
numerator of which is the number one and the denominator of which is the number
one minus the aggregate of the maximum reserve percentages (including any
marginal, special, emergency or supplemental reserves) expressed as a decimal
established by the Federal Reserve Board to which the Bank is subject with
respect to the Eurodollar Rate, for eurocurrency funding (currently referred to
as "Eurocurrency Liabilities" in Regulation D of the Board).  Such reserve
percentages shall include those imposed pursuant to such Regulation D.
Eurodollar Loans shall be deemed to constitute eurocurrency funding and to be
subject to such reserve requirements without benefit of or credit for proration,
exemptions or offsets that may be available from time to time to the Bank under
such Regulation D or any comparable regulation.  The Statutory Reserve Rate
shall be adjusted automatically on and as of the effective date of any change in
any reserve percentage.

    "Stock Repurchase" means (a) the redemption of up to $2,000,000 of THT's 14%
     ----------------                                                           
perpetual preferred stock from PH II Holdings, Inc. and (b) the repurchase of up
to 575,000 shares of THT's common stock from the holders thereof at no more than
$2.76875 per share.

    "Subsidiary" of any Person means any corporation or other entity more than
     ----------                                                               
50% of any class of the voting shares or units of which are owned directly by
such Person and/or by one or more of the Subsidiaries of such Person, and a
"wholly-owned Subsidiary" of any Person shall mean a Subsidiary of such Person
- ------------------------                                                      
all of the outstanding capital stock or units of which (other than directors'
qualifying shares) are owned by such Person.

    "Tax Sharing Agreement" means the Tax Sharing Agreement dated December 19,
     ---------------------                                                    
1990, among the Borrowers and any other party pursuant to which the Borrowers
and such other party have agreed to file consolidated income tax returns.

    "Term Loan" has the meaning specified in Section 2.1.
     ---------                                           

    "Term Loan Commitment" means the obligation of the Bank to make the Term
     --------------------                                                   
Loan.

    "Term Note" has the meaning specified in section 2.7(a).
     ---------                                              

    "THT" means THT Inc., a Delaware corporation.
     ---                                         

    "UCC" means the Uniform Commercial Code as in effect from time to time in
     ---                                                                     
any relevant jurisdiction.

    "Unused Revolving Credit Commitment" means, the excess, if any, of (i) the
     ----------------------------------                                       
Revolving Credit Commitment over (ii) the outstanding Revolving Credit Loans.

    "Up-Front Fee" has the meaning specified in Section 2.8.
     ------------                                           

    Section 1.2.  General Construction.  (a) Unless otherwise expressly
                  --------------------                                 
specified herein, defined terms denoting the singular number, when in the plural
form, denote the plural number of the matter or item to which such defined terms
refer; (ii) all references herein to Articles, Sections, Annexes, Exhibits and
Schedules are to the Articles and Sections of, and Annexes, 

                                      -9-
<PAGE>
 
Exhibits and Schedules to, this Agreement, as amended from time to time; (iii)
the words "hereof," "hereunder" and similar words refer to this Agreement as a
whole; (iv) all references herein to a Loan Document are to such Loan Document
as amended from time to time; and (v) all references herein to times of day are
to New York City time. (b) Words of the neuter gender mean and include
correlative words of the masculine and feminine gender. (c) The Table of
Contents and Article and Section headings used in this Agreement are for
convenience only and shall not affect the meaning or construction of any
provision of this Agreement.

    Section 1.3.  Accounting Terms.  (a) All accounting terms not specifically
                  ----------------                                            
defined herein shall be construed in accordance with GAAP consistently applied.
In the event that any Accounting Changes occur and such changes result in a
change in the method of calculation of financial covenants, standards or terms
in this Agreement, then the Borrowers and the Bank agree to enter into
negotiations in order to amend such provisions of this Agreement so as to
equitably reflect such Accounting Changes with the desired result that the
criteria for evaluating the Borrowers' financial condition shall be the same
after such Accounting Changes as if such Accounting Changes had not been made.
(b) All financial items of any Borrower specified in this Agreement shall be
determined on a consolidated basis for such Borrower and its Subsidiaries after
excluding all intercompany items.

                                  ARTICLE II
                                   THE LOANS

    Section 2.1.  Term Loan.  Subject to the terms and conditions of this
                  ---------                                              
Agreement, the Bank agrees to lend to the Borrowers on or before March 31, 1997,
the sum of $2,000,000 (the "Term Loan").  The obligation of the Bank to make any
                            ---------                                           
Loan hereunder shall terminate on March 31, 1997, if the Term Loan is not made
on or before that date.

    Section 2.2.  Revolving Credit Loans.  Subject to the terms and conditions
                  ----------------------                                      
of this Agreement, the Bank agrees to make revolving credit loans to the
Borrowers (each a "Revolving Credit Loan" and collectively the "Revolving Credit
                   ---------------------                        ----------------
Loans") from time to time during the Revolving Credit Commitment Period in an
- -----                                                                        
aggregate principal amount not exceeding $2,000,000 (as reduced or terminated
from time to time, the "Revolving Credit Commitment") at any one time
                        ---------------------------                  
outstanding; provided, however, that the Bank shall not be required to make any
             --------  -------                                                 
Revolving Credit Loan (i) prior to making the Term Loan or (ii) if after giving
effect to such Revolving Credit Loan the aggregate outstanding principal amount
of all Revolving Credit Loans would exceed the Borrowing Base (as reflected in
the then most recent Borrowing Base Report delivered to the Bank).  During the
Revolving Credit Commitment Period, any Borrower may borrow pursuant to this
Article, prepay pursuant to Section 3.2 and re-borrow from the Bank pursuant to
this Article the amount of the Unused Revolving Credit Commitment.  The
Revolving Credit Commitment shall terminate on the Revolving Credit Expiration
Date.

    Section 2.3.  Disbursement of Loans.  (a) Whenever any Borrower wishes to
                  ---------------------                                      
borrow hereunder such Borrower shall give to the Bank prior notice (a "Borrowing
                                                                       ---------
Notice") of at least one Business Day in the case of a borrowing of Base Rate
- ------                                                                       
Loans and at least three Business Days in the case of a borrowing of Eurodollar
Loans, in each case, substantially in the form of Exhibit A-1 (in the case of
the Term Loan) or A-2 (in the case of a Revolving Credit Loan).  Each Borrowing
Notice shall specify the amount of the requested Loan and the proposed Borrowing
Date (which shall be a Business Day) and, in the case of a borrowing of
Eurodollar Loans, the duration of the initial Interest Period applicable to such
Loans.  Each Borrowing Notice shall be 

                                      -10-
<PAGE>
 
given to the Bank by telephone or in writing, provided that if notice is given
by telephone such Borrower shall promptly confirm such notice in writing. The
Term Loan shall be for the total amount of the Term Loan Commitment and each
Revolving Credit Loan which is not for the full amount of the Unused Revolving
Credit Commitment shall be in a principal amount of $100,000 or an integral
multiple thereof. The Bank will make the proceeds of the Loan specified in such
Borrowing Notice available to such Borrower by depositing such proceeds in such
Borrower's demand deposit account at the Bank's Office or as otherwise directed
in writing by such Borrower.

    (b) Each Borrowing Notice by any Borrower shall constitute a representation
and warranty by the Borrowers that on the Borrowing Date for the Loan requested
in such Borrowing Notice and after giving effect thereto (i) there exists no
Default hereunder and (ii) the representations and warranties set forth in
Sections 5.1, 5.2 and 5.3 are and shall be true and correct in all material
respects as of such Borrowing Date with the same effect as though made on such
Borrowing Date (except for any such representations and warranties which by
their terms expressly relate to the date of this Agreement only).  Each
Borrowing Notice by any Borrower shall be irrevocable.

    Section 2.4.  Repayment of Term Loan.  (a) The Borrowers, jointly and
                  ----------------------                                 
severally, agree to repay the principal amount of the Term Loan in twenty (20)
consecutive quarterly installments on each Quarterly Date, commencing June 30,
1997, each such installment of principal to be in an amount equal to $100,000;
provided that the entire amount of the Term Loan outstanding on March 31, 2002,
shall be due and payable on that date.  Amounts of the Term Loan repaid may not
be reborrowed.

    (b) In addition to the repayments above, the Borrowers, jointly and
severally, agree to prepay the Term Loan to the extent required by Section
3.2(c).

    Section 2.5.  Repayment of Revolving Credit Loans; Extension of Revolving
                  -----------------------------------------------------------
Credit Commitment Period.  (a) The Borrowers, jointly and severally, agree to
- ------------------------                                                     
repay the aggregate principal amount of all Revolving Credit Loans then
outstanding on the Revolving Credit Expiration Date.

    (b) The Revolving Credit Commitment Period may, if the Bank so consents, be
extended for additional 364-day periods thereafter in accordance with the
provisions of this Section 2.5(b).  If the Borrowers wish to extend the
Revolving Credit Commitment Period for an additional 364-day period, they shall
deliver to the Bank at least 60 days prior to the then scheduled Revolving
Credit Expiration Date a notice in writing, substantially in the form of Exhibit
C, requesting such extension.  If the Borrowers request such extension, the Bank
shall advise the Borrowers in writing, no later than 30 days prior to the then
scheduled Revolving Credit Expiration Date whether or not the Bank consents to
such 364-day extension.  If the Bank fails to affirmatively indicate in writing
as aforesaid its consent to such extension, it shall be deemed not to have
consented to such extension.  If the Bank shall have affirmatively consented to
an extension of the Revolving Credit Commitment Period requested by the
Borrowers and shall have so notified the Borrowers in writing at least 30 days
prior to the then scheduled Revolving Credit Expiration Date, the Revolving
Credit Commitment Period shall be extended for an additional 364 days beyond the
then scheduled Revolving Credit Expiration Date and the Revolving Credit
Expiration Date shall be the last day of the Revolving Credit Commitment Period
as so extended.  The Bank shall have no obligation whatsoever to consent to any
extension of the Revolving Credit Commitment Period, and may withhold its
consent in its sole and absolute 

                                      -11-
<PAGE>
 
discretion. Notwithstanding the occurrence of the Revolving Credit Expiration
Date, the rights and obligations of the parties hereto (except for the
obligations of the Bank to make Revolving Credit Loans) shall remain in full
force and effect until the payment in full of the Loans and satisfaction of all
other Obligations of each Borrower hereunder.

    (c) In addition to the repayments above, the Borrowers, jointly and
severally, agree to repay the Revolving Credit Loans to the extent required by
Section 3.2(b) and (d).

    Section 2.6.  Interest.  (a) Each Loan initially shall be either a Base Rate
                  --------                                                      
Loan or a Eurodollar Loan as specified in the applicable Borrowing Notice and,
in the case of a Eurodollar Loan shall have an initial Interest Period as
specified in such Borrowing Notice.  Thereafter, the Borrowers may elect to
convert such Loan to a different type or to continue such Loan and, in the case
of an Eurodollar Loan, may elect Interest Periods therefor, all as provided
herein.  The Borrowers may elect different options with respect to different
portions of the Loans; provided, that each Loan or portion thereof which is to
                       --------                                               
be a Eurodollar Loan shall be in an aggregate principal amount of at least
$100,000.  To make an election, any Borrower shall notify the Bank of such
election by telephone or in writing (each an "Interest Notice") by the time that
                                              ---------------                   
a Borrowing Notice would be required under Section 2.3 if such Borrower were
requesting a borrowing of the type resulting from such Interest Notice to be
made on the effective date of such Interest Notice, provided that if notice is
given by telephone such Borrower shall promptly confirm such notice in writing.
Upon determining the Eurodollar Rate for any Interest Period, the Bank shall
promptly notify the Borrowers thereof.  Each Interest Notice by any Borrower
shall be irrevocable.

    (b) Each Interest Notice shall specify the following information: (i) the
Loans to which such Interest Notice applies and, if different options are being
elected with respect to different portions thereof, the portions thereof to be
allocated to each option, (ii) the effective date of the election made pursuant
to such Interest Notice which shall be a Business Day, (iii) whether the
resulting Loans shall be Base Rate Loans or Eurodollar Loans and (iv) if the
resulting Loan is a Eurodollar Loan, the Interest Period to be applicable
thereto after giving effect to such election, which shall be a period
contemplated by the definition of the term "Interest Period".  If any such
Interest Notice requests a Eurodollar Loan but does not specify an Interest
Period, then the Borrowers shall be deemed to have selected an Interest Period
of one month's duration.  The Borrowers may not have more than four Interest
Periods in effect at any one time.

    (c) If the Borrowers fail to deliver a timely Interest Notice with respect
to a Eurodollar Loan prior to the end of the Interest Period applicable thereto,
then, unless such Loan is repaid as provided herein, at the end of such Interest
Period such Loan shall be converted to a Base Rate Loan.  Notwithstanding any
contrary provision hereof, if an Event of Default has occurred and is continuing
(i) no outstanding Loan may be converted to or continued as a Eurodollar Loan
and (ii) unless repaid, each Eurodollar Loan shall be converted to a Base Rate
Loan at the end of the Interest Period applicable thereto.

    (d) Interest shall accrue on the Loans from and including the Borrowing Date
thereof to but excluding the date of any repayment thereof at a rate per annum
equal to (x) during such time that such Loan is a Base Rate Loan, the Base Rate
and (y) during such time such Loan is a Eurodollar Loan, the Eurodollar Rate
plus 2%.  Interest shall be payable (i) in respect of Base Rate Loans, monthly
- ----                                                                          
in arrears on the last Business Day of each calendar month and (ii) in respect
of Eurodollar Loans, on the last day of each Interest Period applicable thereto,
and in the case of 

                                      -12-
<PAGE>
 
an Interest Period in excess of one month, on each date occurring at one month
intervals after the first day of such Interest Period, and (iii) in respect of
each Loan on any prepayment or conversion (on the amount prepaid or converted),
at maturity (whether by acceleration of otherwise) and, after such maturity, on
demand.

    (e) Notwithstanding the foregoing, upon the occurrence and during the
continuance of an Event of Default, (i) all Eurodollar Loans shall bear interest
until the end of the Interest Period applicable thereto at a rate per annum
equal to 2% plus the rate applicable to Eurodollar Loans as provided above and
(ii) all other Loans and amounts due hereunder shall bear interest at a rate per
annum equal to 2% plus the rate applicable to Base Rate Loans as provided above.

    (f) Interest on each Loan shall be calculated on the basis of a 360-day year
for the actual number of days involved.

    (g) No Borrower will enter into any Interest Rate Agreement with respect to
interest payable by it on the Loans unless the terms thereof shall have been
approved by the Bank in its discretion reasonably exercised.

    (h) If prior to the commencement of any Interest Period for a Eurodollar
Loan, the Bank determines (which determination shall be conclusive absent
manifest error) that the Eurodollar Rate or the LIBO Rate, as applicable, for
such Interest Period will not adequately and fairly reflect the cost to the Bank
of making or maintaining the Eurodollar Loans for such Interest Period; then the
Bank shall give notice thereof to the Borrowers by telephone or telecopy as
promptly as practicable thereafter and, until the Bank notifies the Borrowers
that the circumstances giving rise to such notice no longer exist, (i) any
Interest Notice that requests the conversion of any Loan to, or continuation of
any Loan as, a Eurodollar Loan shall be ineffective and (ii) if any Borrowing
Notice requests a Eurodollar Loan, such Loan shall be made as a Base Rate Loan.

    Section 2.7.  Notes.  (a) The obligations of each Borrower to repay the Term
                  -----                                                         
Loan and all interest thereon shall be evidenced by a promissory note
substantially in the form of Exhibit B-1 (the "Term Note") executed by each
                                               ---------                   
Borrower, payable to the order of the Bank and in a principal amount equal to
the principal amount of the Term Loan.

    (b) The obligations of each Borrower to pay the aggregate outstanding
principal amount of each Revolving Credit Loan and all interest thereon shall be
evidenced by a promissory note substantially in the form of Exhibit B-2 (the
"Revolving Credit Note") executed by each Borrower, payable to the order of the
- ----------------------                                                         
Bank in an amount equal to the Revolving Credit Commitment.  Each Borrower
hereby authorizes the Bank to record the date and amount of each Revolving
Credit Loan made by the Bank to any Borrower and the date and amount of each
payment or prepayment of the principal thereof on the schedule attached to the
Revolving Credit Note (or a continuation of such schedule) and hereby agrees
that each such notation shall constitute conclusive evidence of the accuracy
thereof, absent manifest error; provided, however, that failure by the Bank to
                                --------  -------                             
make such notation shall not affect the obligations of the Borrowers to any
Borrower to repay all Revolving Credit Loans made by the Bank, together with all
interest thereon or any other obligations of such Borrower or Borrowers to the
Bank hereunder or under the Revolving Credit Note.

    Section 2.8.  Up-Front Fee.  The Borrowers, jointly and severally, agree to
                  ------------                                                 
pay to the Bank a non-refundable up-front fee (the "Facility Fee") of $15,000 on
                                                    ------------                
the date of this Agreement.

                                      -13-
<PAGE>
 
    Section 2.9.  Commitment Fee.  The Borrowers, jointly and severally, agree
                  --------------                                              
to pay to the Bank a commitment fee calculated at the rate of 0.1875% per annum
on the average daily amount of the Unused Revolving Credit Commitment from and
including the date of this Agreement to but excluding the Revolving Credit
Expiration Date or, if earlier, the date on which the Revolving Credit
Commitment shall terminate or be cancelled.  The accrued Commitment Fee shall be
calculated on the basis of a 360-day year for the actual number of days involved
and shall be payable in arrears on each Quarterly Date, and upon the
cancellation or termination of the Revolving Credit Commitment.

    Section 2.10.  Cancellation or Reduction of Revolving Credit Commitment. (a)
                   --------------------------------------------------------     
The Borrowers shall have the right at any time and from time to time after the
date hereof, upon at least five (5) Business Days' prior notice to the Bank (or
one (1) Business Day's prior notice in the case of any such cancellation on or
before March 31, 1997), to cancel in whole or in part the Revolving Credit
Commitment, without premium or penalty but with payment of the Commitment Fee
accrued to the date of such cancellation on the amount of the Revolving Credit
Commitment so cancelled. Each partial reduction of the Revolving Credit
Commitment pursuant hereto shall be in an amount of $100,000 or an integral
multiple thereof. (b) On each date upon which a mandatory repayment of the Term
Loan would be required if Term Loans were then outstanding, the Revolving Credit
Commitment shall be permanently reduced by the amount, if any, by which the
amount of such required repayment exceeds the aggregate amount of the Term Loan
then outstanding. (c) Once terminated or reduced, the Revolving Credit
Commitment may not be reinstated. If the Revolving Credit Commitment is
cancelled or terminated in whole or in part, the Commitment Fee thereon shall
thereafter be payable only with respect to the average daily balance of the
Unused Revolving Credit Commitment after giving effect to such cancellation or
termination.

    Section 2.11.  Use of Loan Proceeds. The Borrowers shall (a) use the
                   --------------------
proceeds of the Term Loan solely to (i) repay the Secured Demand Note dated
February 3, 1997, in the principal amount of $900,000 held by PH II Holdings,
Inc. and (ii) effect the Stock Repurchase and (b) use the proceeds of the
Revolving Credit Loans solely to (i) effect the Stock Repurchase and (ii) fund
working capital.

                                  ARTICLE III
                         PLACE AND MANNER OF PAYMENTS;
                         PREPAYMENTS; YIELD PROTECTION

    Section 3.1.  Place and Manner of Payment.  (a) All payments of principal,
                  ---------------------------                                 
interest and fees hereunder and under the Notes shall be made in immediately
available funds at the Bank's Office (or at such other office as the Bank shall
specify to the Borrowers in writing) no later than 1:00 p.m. on the date when
due.  Any payments received after 1:00 p.m. on any Business Day shall be deemed
to have been received on the next succeeding Business Day.  At the time of
making each payment hereunder or under the Notes, each Borrower shall specify to
the Bank the Loans or other amounts payable by such Borrower hereunder to which
such payment is to be applied (and in the event that it fails to so specify, or
if an Event of Default has occurred and is continuing, the Bank may apply such
payment to the Loans or other amounts payable by any Borrower hereunder as it
may elect in its sole discretion).  The rights of the Bank under this Section
3.1 are in addition to and not in lieu of the rights of set-off under Section
9.12 and under applicable law.  If any amount payable hereunder shall be due on
a day which is not a Business Day, the due date thereof shall be extended to the
immediately succeeding Business Day and 

                                      -14-
<PAGE>
 
interest thereon shall accrue during the period of such extension at the rate
provided in this Agreement.

     (b)  All payments made by each Borrower hereunder or under any Note will be
made in Dollars.  All such payments will be made without set-off, counterclaim
or other defense, free and clear of, and without deduction or withholding for,
any present or future taxes, levies, imposts, duties, fees, assessments or other
charges of whatever nature now or hereafter imposed by any jurisdiction or by
any potential subdivision or taxing authority thereof or therein (but excluding
any tax imposed on or measured by the net income of the Bank imposed by the
United States or the City or State of New York) and all interest, penalties or
similar liabilities with respect thereto.

     Section 3.2  Optional and Mandatory Prepayments.  (a) The Borrowers shall
                  ----------------------------------                          
have the right to prepay Loans at any time or from time to time; provided that
                                                                 --------     
the Borrowers shall give the Bank at least one (1) Business Day's prior notice
of each such prepayment of any Loans.  Each optional partial prepayment of
Revolving Credit Loans shall be in the aggregate principal amount of $100,000 or
an integral multiple thereof and each optional partial prepayment of the Term
Loan shall be in the aggregate principal amount of $250,000 or an integral
multiple thereof.

     (b)  If at any time the aggregate outstanding principal amount of the
Revolving Credit Loans exceeds the amount of the Borrowing Base (as reflected in
the then most recent Borrowing Base Report delivered to the Bank), the Borrowers
shall, within five (5) Business Days after the delivery of the Borrowing Base
Report which shows that such excess exists, prepay the Revolving Credit Loans to
the extent of such excess.

     (c)  The Borrowers shall prepay the Term Loan in an amount equal to the Net
Cash Proceeds from any Disposition and in an amount equal to the aggregate cash
payments from any Insurance Recovery, in each case, on the date of receipt
thereof by any Borrower or any of its Subsidiaries.

     (d)  If at any time the aggregate outstanding principal amount of the
Revolving Credit Loans exceeds the amount of the Revolving Credit Commitment,
the Borrowers shall immediately prepay the Revolving Credit Loans to the extent
of such excess.

     (e)  All prepayments of the Term Loan shall be applied to installments
thereof in the inverse order of the maturity of such installments.

     Section 3.3  Increased Costs.  (a) If any Regulatory Change shall (i)
                  ---------------                                         
impose, modify or deem applicable any reserve, special deposit or similar
requirement against assets of, deposits with or for the account of, or credit
extended by, the Bank or (ii) impose on the Bank or the London interbank market
any other condition affecting this Agreement or Eurodollar Loans made by the
Bank; and the result of any of the foregoing shall be to increase the cost to
the Bank of making or maintaining any Eurodollar Loan (or of maintaining its
obligation to make any such Loan) or to reduce the amount of any sum received or
receivable by the Bank hereunder (whether of principal, interest or otherwise),
then the Borrowers, jointly and severally, will pay to the Bank such additional
amount or amounts as will compensate the Bank for such additional costs incurred
or reduction suffered.

                                      -15-
<PAGE>
 
     (b)  If the Bank determines that any Regulatory Change regarding capital
requirements has or would have the effect of reducing the rate of return on the
Bank's capital or on the capital of the Bank's holding company, if any, as a
consequence of this Agreement or the Loans made to a level below that which the
Bank or the Bank's holding company could have achieved but for such Regulatory
Change, then from time to time the Borrowers, jointly and severally, will pay to
the Bank such additional amount or amounts as will compensate the Bank or such
Lender's or the Bank's holding company for any such reduction suffered.

     (c)  The obligations of the Borrowers under this Section 3.3 shall survive
for a period of twelve months following the payment of the Loans and the
cancellation of the Notes.

     Section 3.4  Break Funding Payments.  In the event of (a) the payment of
                  ----------------------                                     
any principal or the conversion of any Eurodollar Loan other than on the last
day of an Interest Period applicable thereto (including as a result of an Event
of Default), (b) the failure to borrow, convert, continue or prepay any
Revolving Loan on the date specified in any notice delivered pursuant hereto,
then, in any such event, the Borrowers, jointly and severally, shall compensate
the Bank for the loss, cost and expense attributable to such event.

     Section 3.5  Certificate.  If the Bank requests reimbursement or
                  -----------                                        
compensation from the Borrowers under Sections 3.3 or 3.4, the Bank will deliver
to the Borrowers a certificate setting forth the basis and amount of such
request and such certificate shall be conclusive as to the amount set forth
therein absent manifest error.

                                  ARTICLE IV
                                  COLLATERAL

     The Obligations shall be secured and guaranteed as follows:

     Section 4.1  Security Agreements.  Each Borrower shall each execute and
                  -------------------                                       
deliver to the Bank a security agreement, satisfactory in form and substance to
the Bank, granting to the Bank, as security for the Obligations, a first lien
and security interest in all assets of such Borrower (including all present and
future accounts receivable, inventory, machinery, equipment and fixtures of such
Borrower), wherever located, whether now owned or hereafter acquired by such
Borrower, together with all increases, substitutions, replacements and additions
to or for any of the foregoing, and all cash and non-cash proceeds thereof.
Each such security agreement and each security agreement delivered by any
Subsidiary of any Borrower pursuant to Section 4.4, is herein called a "Security
                                                                        --------
Agreement."
- ---------  

     Section 4.2  [Intentionally omitted].
                  ----------------------- 

     Section 4.3  Assignment of Material Equipment Leases.  If so requested by
                  ---------------------------------------                     
the Bank, and to the extent obtainable, any Borrower and any Subsidiary of any
Borrower shall execute and deliver to the Bank a lease assignment, satisfactory
inform and substance to the Bank, assigning to the Bank all of such Borrower's
or such Subsidiary's rights under each Material Equipment Lease.  Each such
assignment delivered to the Bank by any Borrower or by any Subsidiary of any
Borrower is herein called an "Equipment Lease Assignment."  The Borrowers and
                              --------------------------                     
the relevant Subsidiaries thereof shall use their reasonable efforts to obtain
any required consent of the lessor and/or sublessor under each Material
Equipment Lease (a "Lessor Consent") to any such Equipment Lease Assignment.
                    --------------                                          

                                      -16-
<PAGE>
 
     Section 4.4  Subsidiaries.  If requested by the Bank, (i) each Borrower
                  ------------                                              
shall pledge, or cause the record owner of the shares of any Subsidiary to
pledge, the shares of any Subsidiary to the Bank pursuant to a pledge agreement
in form and substance satisfactory to the Bank, (ii) each Borrower shall cause
such Subsidiary to execute and deliver to the Bank a Security Agreement granting
to the Bank, as security for the Obligations, a Lien on all personal property
and fixtures of such Subsidiary, (iii) each Borrower shall execute and deliver
and shall cause each of its Subsidiaries to execute and deliver to the Bank
mortgages with respect to all Owned Premises and Leased Premises (together with,
to the extent obtainable, all requisite landlord consents), (iv) each Borrower
shall execute and deliver and shall cause each of its Subsidiaries to execute
and deliver to the Bank Equipment Lease Assignments (together with, to the
extent obtainable, Lessor Consents) with respect to all Material Equipment
Leases, (v) each Borrower shall cause each of its Subsidiaries to execute and
deliver a guaranty in favor of the Bank of all Obligations, and (vi) each
Borrower shall execute and deliver and shall cause each of its Subsidiaries to
execute and deliver to the Bank any other agreements, documents and instruments
requested by the Bank; in each case substantially in the form of the
corresponding Security Documents delivered on the initial Borrowing Date
hereunder (or otherwise in form and substance satisfactory to the Bank). Upon
the acquisition or establishment, directly or indirectly, of any Subsidiary, the
Borrowers shall promptly notify the Bank thereof.

     Section 4.5  Further Assurances.  Each Borrower shall, and shall cause each
                  ------------------                                            
of its Subsidiaries to, at its own cost and expense, execute and deliver to the
Bank all such further documents and instruments and do all such other acts and
things as may be required by the Bank to enable the Bank to exercise and enforce
its rights as the secured party, mortgagee, or assignee under the Security
Documents.  Each Borrower hereby authorizes (and will cause each Subsidiary of a
Borrower to authorize) the Bank to file UCC financing statements and
continuation statements with respect to the Bank's liens on any Borrower's and
each such Subsidiary's assets under the Security Documents and to sign such UCC
financing statements on behalf of each Borrower and each such Subsidiary.  If
requested by the Bank, each Borrower shall execute and deliver to the Bank, any
agreements, documents and instruments described in Section 4.4.

                                   ARTICLE V
                        REPRESENTATIONS AND WARRANTIES

     Section 5.1  Representations and Warranties of the Borrowers.  Each
                  -----------------------------------------------       
Borrower hereby represents and warrants to the Bank that:

     (a)  Organization, Corporate Powers.  Each Borrower and each of its
          ------------------------------                                
Subsidiaries, if any, is a corporation duly organized, validly existing and in
good standing under the laws of the state of its incorporation, has full
corporate power to own its properties and to carry on its business as now being
conducted, is duly qualified to do business in each jurisdiction in which the
character of its properties or the transaction of its business makes such
qualification necessary (except where the failure to be so qualified would not
have a material adverse effect on such Borrower's consolidated financial
condition or operations) and has full corporate power to execute, deliver and
perform the Loan Documents to be executed and delivered by such Borrower or such
Subsidiary hereunder.

     (b)  Capital Stock; Subsidiaries.  The authorized capital stock of each
          ---------------------------                                       
Borrower consists of the stock described in Schedule 5.1(b).  All outstanding
shares of the capital stock of each Borrower have been duly issued and are fully
paid and non-assessable and all such shares are 

                                      -17-
<PAGE>
 
owned beneficially by, and are registered in the name of, the Persons described
in Schedule 5.1(b). On the date hereof there are no outstanding warrants,
options or other rights pertaining to the stock of any Borrower or any
Subsidiary of any Borrower and no voting trusts, shareholders agreements or
similar agreements affecting either the ownership of or the right to vote the
stock of any Borrower or any Subsidiary. On the date hereof the Borrowers have
no Subsidiaries, except as shown in Schedule 5.1(b).

     (c)  Authorization, Absence of Conflicts.  The execution, delivery and
          -----------------------------------                              
performance by each Borrower or any Subsidiary of any Borrower of the Loan
Documents to which it is a party, the borrowings by each Borrower hereunder and
the Stock Repurchase (i) have been duly authorized by all requisite corporate
action of such Borrower and such Subsidiary, (ii) do not require the approval of
the stockholders of such Borrower or such Subsidiary (except for any such
approvals which have been duly obtained), (iii) will not (1) violate any law or
regulation or the Articles or Certificate of Incorporation or By-Laws of such
Borrower or such Subsidiary, (2) violate or constitute (with due notice or lapse
of time or both) a default under any indenture, agreement, license or other
instrument to which such Borrower or such Subsidiary is a party or by which it
or any of its properties may be bound or affected, (3) violate any order of any
court, tribunal or governmental agency binding upon such Borrower or such
Subsidiary or their respective properties or (4) result in the creation or
imposition of any Lien of any nature whatsoever upon any properties or assets of
such Borrower or such Subsidiary (except Liens in favor of the Bank under the
Security Documents), and (iv) do not require any license, consent or approval of
any governmental agency or regulatory authority.

     (d)  Binding Obligations.  This Agreement is a legal, valid and binding
          -------------------                                               
obligation of each Borrower, and each other Loan Document, when executed and
delivered by each Borrower or any Subsidiary of any Borrower, will be a legal,
valid and binding obligation of such Obligor, enforceable in each case against
such Borrower or such Subsidiary, as the case may be, in accordance with their
respective terms, except as such enforceability may be limited by applicable
bankruptcy, insolvency, reorganization, moratorium or similar laws affecting
enforceability of creditors' rights generally or equitable principles at the
time in effect.

     (e)  Financial Condition and Statements.
          ---------------------------------- 

          (1)  The consolidated financial statements of THT for the fiscal year
    ended September 30, 1996 (including in each case all notes and schedules
    thereto), heretofore furnished to the Bank, have been prepared in conformity
    with GAAP and fairly present the financial condition or results of
    operations of THT on the date thereof and for the periods to which they
    relate.  There were no material liabilities or obligations in respect of THT
    as of September 30, 1996 (whether direct or contingent) which were required
    to be and were not shown or provided for on such financial statements.
    There has been no material adverse change in the financial condition or
    operations of THT since September 30, 1996.

          (2)  The audited consolidated financial statements of THT for the
    fiscal year ended September 30, 1996 (including all notes and schedules
    thereto), heretofore furnished to the Bank, have been prepared in accordance
    with GAAP consistently applied and fairly represent the financial condition
    and results of operation of THT at the dates thereof and for the period
    shown therein and show all material liabilities of THT at the date of such
    financial statements.

                                      -18-
<PAGE>
 
          (3)  On the initial Borrowing Date, after giving effect to the
    borrowings hereunder on the initial Borrowing Date, the application of the
    proceeds of such borrowings and the other transactions contemplated herein
    including the Stock Repurchase on such date, each Borrower will be Solvent.

    (f)   Accounts Receivable and Inventory.  The financial statements furnished
          ---------------------------------                                     
by the Borrowers to the Bank pursuant to Section 7.1(c) reflect all reserves
established by each Borrower, or required to be established under GAAP, for
uncollectible accounts receivable, anticipated discounts, allowances and product
returns in connection with the business of the Borrowers.  The inventory
reflected in any financial statements delivered or certificates pursuant to
Section 7.1(c) consists of items of a quality and quantity usable or salable in
the ordinary course of business at values at least equal in the aggregate to the
values at which such items are carried on the books of each Borrower.  The
values of slow moving and obsolete inventory and inventory of below standard
quality, if any, have been written down to net realizable market value in
accordance with GAAP.

    (g)   Compliance; Governmental Authorization. Each Borrower is in compliance
          --------------------------------------  
in all material respects with, and all products, packaging and manufacturing
contracts relating to the Setterstix Business and the Jackburn Business to which
any Borrower is a party have complied and are in compliance in all material
respects with, all material Federal, state, local and foreign laws, ordinances,
regulations and interpretations, and any judgments, writs, injunctions, orders
or decrees of any court, arbitrator, or governmental, administrative or self
regulatory authority (including, without limitation, those relating to
pollution, protection of the environment and health or safety) applicable to any
Borrower or the Setterstix Business or the Jackburn Business. Each Borrower has
all Federal, state, local and foreign governmental licenses and permits
necessary in all material respects to conduct the Setterstix Business and the
Jackburn Business as presently being conducted. Such licenses and permits are in
full force and effect, no violations are or have been recorded in respect of any
thereof, no proceeding is pending or, to the best of the knowledge of each
Borrower after reasonable investigation, threatened, to revoke or limit any
thereof and no Borrower knows of any basis for any such proceeding.

    (h)   Litigation.  (i) There are no actions, suits, proceedings (including
          ----------                                                          
proceedings by or before any arbitrator or administrative or governmental
agency) or claims pending or, to the knowledge of any Borrower, threatened
against or affecting any Borrower or any Subsidiary of any Borrower which relate
to the transactions contemplated by this Agreement or the Stock Repurchase or
which, if adversely determined, would have a material adverse effect on the
consolidated financial condition, results of operations or business of any
Borrower or any Subsidiary of any Borrower or on any material item of
Collateral; and (ii) no Borrower nor any Subsidiary of any Borrower is bound by
any judgment, decree, injunction, ruling or order of any court, governmental
department, commission, agency or instrumentality, arbitrator or any other
Person which affects or will affect materially and adversely the business,
assets or prospects or the financial condition or the results of operations of
any Borrower or any Subsidiary of any Borrower or on any material item of
Collateral.

    (i)   Payment of Taxes.  Each Borrower and each Subsidiary of each Borrower
          ----------------                                                     
has filed, or caused to be filed, all Federal, state and local tax returns
required to be filed by it and has paid or caused to be paid all taxes as shown
on such returns or on any assessment received by such Borrower or such
Subsidiary to the extent that such taxes have become due, except such taxes, if
any, as are being contested in good faith or as to which adequate reserves have
been provided and 

                                      -19-
<PAGE>
 
which do not pose any material risk of loss or forfeiture of the Collateral or
material impairment of the Liens of the Bank thereon.

    (j)   Labor Matters. There are no controversies pending between any Borrower
          -------------   
or any Subsidiary of any Borrower and any employees thereof, which controversies
affect materially and adversely the Setterstix Business, the Jackburn Business
or the business, assets or prospects or the financial condition or the results
of operations of any Borrower or any Subsidiary of any Borrower.

    (k)   ERISA.  Each Borrower and each Subsidiary of each Borrower and each
          -----                                                              
ERISA Affiliate of such Borrower or such Subsidiary is in compliance in all
material respects with the applicable provisions of ERISA (other than the
failure to make certain plan amendments for which, as of the Closing Date, the
applicable remedial amendment period has not expired). Each Employee Benefit
Plan that is intended to be qualified under Section 401(a) of the IRC has been
determined by the Internal Revenue Service to be so qualified, and each trust
related to such plan has been determined to be exempt from federal income tax
under Section 501(a) of the IRC. No material liability has been incurred by any
Borrower or any Subsidiary of any Borrower that remains unsatisfied for any
taxes or penalties with respect to any Employee Benefit Plan. No Borrower nor
any Subsidiary of any Borrower nor any ERISA Affiliate of such Borrower or such
Subsidiary has engaged in a Prohibited Transaction which could subject such
Borrower or such Subsidiary to a tax or penalty imposed by either Section 4975
of the IRC or Section 502(i) of ERISA in an amount exceeding $50,000. No
Reportable Event or ERISA Termination Event has occurred and is continuing with
respect to any Employee Benefit Plan. No Employee Benefit Plan has incurred an
accumulated funding deficiency (as such term is defined in ERISA and Section 412
of the IRC) as of the last day of the most recent fiscal year of such Employee
Benefit Plan (without regard to any waiver granted under Section 412 of the
IRC), nor has any funding waiver from the Internal Revenue Service been received
or requested with respect to any Employee Benefit Plan. No liability to the PBGC
has been or is expected by any Borrower to be incurred by any Borrower or any
Subsidiary of any Borrower with respect to any Employee Benefit Plan in an
amount exceeding $50,000. No Borrower nor any Subsidiary of any Borrower has
incurred or expects to incur any withdrawal liability with respect to any
Employee Benefit Plan which is a Multiemployer Plan in an amount exceeding
$50,000. Under each Employee Benefit Plan which is a single employer plan and is
required to be funded under ERISA, as of the last day of the most recent plan
year ended prior to the date hereof the actuarially determined present value of
all accrued benefits (as determined on the basis of the actuarial assumptions
contained in the most recent actuarial valuation of such Employee Benefit Plan)
did not exceed the current value of the assets of such Employee Benefit Plan by
more than $50,000. No Multiemployer Plan is insolvent, in reorganization or
undergoing partition. Using actuarial assumptions and computation methods
consistent with subpart 1 of subtitle E of Title IV of ERISA, the aggregate
liabilities of any Borrower and any ERISA Affiliates to all Multiemployer Plans
in the event of a complete withdrawal therefrom, as of the close of the most
recent fiscal year of each such Plan ended prior to the date thereof, would not
exceed $50,000. No Borrower nor any Subsidiary of any Borrower maintains any
employee benefit plan providing for retiree health and/or life benefits and
having unfunded liabilities exceeding $150,000.

    (l)   Insurance.  Each Borrower holds insurance policies insuring such
          ---------                                                       
Borrower against all risks usually insured against by persons conducting
businesses similar to such Borrower's business and operating properties similar
to the properties of such Borrower in the locality where such businesses are
conducted and such properties are located, and such insurance policies are or

                                      -20-
<PAGE>
 
will be of such type and in such amounts as are prudently and customarily
carried by such Persons and as are sufficient for compliance with all applicable
laws.

    (m)   Title to Properties; Conditions of Assets.  Each Borrower and each
          -----------------------------------------                         
Subsidiary of each Borrower has good and marketable title to all of its
properties and assets (or a good and valid leasehold interest in all properties
and assets leased by it) and all of such properties and assets are free and
clear of any Liens except for Permitted Liens.  No financing statements,
mortgages, lease assignments or other evidence of security interests covering
any properties or assets of any Borrower or any Subsidiary of any Borrower are
on file in any public office, except for those with respect to Permitted Liens.
All easements, servitudes and rights of way, means of ingress and egress and
other appurtenances necessary to any Borrower's and Borrower's Subsidiary's
operations as presently conducted have been obtained.  All of the assets and
properties of each Borrower and each Subsidiary of each Borrower which are
reasonably necessary for the operation of its and their business are in good
working condition, ordinary wear and tear excepted, and are able to serve the
functions for which they were intended.  Notwithstanding any provision of this
Agreement (including this Section 5.1(m) and for purposes of Section 8.1(f)),
the representations and warranties in this Section 5.1(m) shall not be deemed to
be incorrect or breached by reason of any defect in any Borrower's or any
Borrower's Subsidiary's title to property if such Borrower, such Subsidiary or
the Bank is the beneficiary of title insurance with respect to such defect.

    (n)   Security Documents.  Each Security Document grants to the Bank, as
          ------------------                                                
security for all the Obligations of each Obligor hereunder, a valid, binding and
enforceable Lien in the assets of such obligor specified in such Security
Document.  Said Liens will be perfected and subject to no Liens (other than
Permitted Liens) prior to or on a parity with said Lien of the Bank upon the
filing of UCC financing statements in all appropriate public offices (in the
case of Liens granted under the Security Agreements).  Except for such filings
and recordations and (in the case of security interests arising under the
Security Agreements) the filings of UCC continuation statements with respect
thereto, no documents or instruments are required to be filed or recorded in any
public office or elsewhere, and no notifications are required to be given to any
Person, in order to perfect the Lien of the Bank in the assets of any Obligor.

    (o)   Patents/Trademarks. Schedule 5.1(o) sets forth all registered patents,
          ------------------
trademarks and service marks owned by each Borrower and each Subsidiary of each
Borrower (and all applications for any such patent, trademark or service mark).
Except as indicated in Schedule 5.1(o), each Borrower and each Subsidiary owns
or possesses the right to use (without being obligated to make any payment to
others or to grant to others rights in exchange) all material Patents/Trademarks
which are used by such Borrower or such Subsidiary. Unless otherwise indicated
in Schedule 5.1(o), each Borrower owns the entire right, title and interest in
and to each item of Patent/Trademark used in the Setterstix Business or Jackburn
Business and each such item will have been duly registered with, filed in or
issued by, as the case may be, the United States Patent and Trademark Office and
the corresponding office for the registration of items of Patent/Trademark in
certain other countries, and such registrations, filings and issuances will be
in full force and effect. Except as indicated in Schedule 5.1(o) no Borrower nor
any Subsidiary of any Borrower has received any notices of infringement or of
conflict with asserted rights of others (nor is there any basis for such notice)
with respect to any Patent/Trademark of any Borrower or any Subsidiary of any
Borrower which singly or in the aggregate, if the subject of an unfavorable
ruling, would materially adversely affect the business, assets, prospects or
financial condition of such Borrower or such Subsidiary. The conduct by each
Borrower and each Subsidiary of each Borrower of their respective businesses, as
now conducted or proposed to be

                                      -21-
<PAGE>
 
conducted, does not conflict with any Patent/Trademark of others, nor does any
Borrower have any knowledge that any planned expansion or other change in method
of conducting its business will so conflict in each case in any way likely to
have a material adverse effect on the assets, business, prospects or financial
condition of any Borrower or any Subsidiary of any Borrower. Except as indicated
in Schedule 5.1(o), each Borrower and each Subsidiary of each Borrower have in
all material respects performed all the obligations required to be performed by
each of them, and none of them is in default in any material respect, under any
agreement or license relating to any Patent/Trademark material to the Setterstix
Business or the Jackburn Business or the business assets, prospects or financial
condition of any Borrower or any Subsidiary of any Borrower nor has any event
occurred which, with the giving of notice or the lapse of time, or both, would
constitute such a default. No uncured material infringement of any
Patent/Trademark owned by or licensed to any Borrower or any Subsidiary of any
Borrower or to be acquired by any Borrower is known to any Borrower or any
Subsidiary of any Borrower.

    (p)   Location of Offices and Collateral. On the date hereof, each
          ---------------------------------- 
Borrower's chief executive office, principal place of business and the places
where each keeps its records concerning its assets (including accounts
receivable) are located at the addresses set forth in Schedule 5.1(p). On the
date hereof all the inventory of each Borrower are held at the locations
specified in Schedule 5.1(p).

    (q)   Assumed Names; Former Names.  The full and complete names of the
          ---------------------------                                     
Borrowers are "THT Inc.," "Setterstix Corporation" and "Jackburn Mfg., Inc."
Except as set forth in Schedule 5.1(q), no Borrower is currently doing, and has
not at any time during the five calendar years immediately preceding the date
hereof done, business under any other trade name or other assumed name.  During
the five calendar years immediately preceding the date hereof, no Borrower has
had any name other than its present name.

    (r)   Performance of Other Agreements. No Borrower nor any Subsidiary of any
          -------------------------------
Borrower is in default, in any manner that would materially adversely affect the
Setterstix Business or the Jackburn Business, the business operations, assets or
condition (financial or otherwise) of any Borrower or any Subsidiary of any
Borrower, in the performance or fulfillment of any of the obligations, covenants
or conditions contained in any agreement or instrument to which it is a party or
by which it or any of its properties are bound.

    (s)   Margin Regulations. No part of the proceeds of any extension of credit
          ------------------
hereunder will be used for the purpose, whether immediate, incidental or
ultimate, of buying or carrying any margin stock (within the meaning of
Regulations U or X of the Board of Governors of the Federal Reserve System).

    (t)   Not an Investment Company or Regulated Company.  No Borrower nor any
          ----------------------------------------------                      
Subsidiary of any Borrower, nor any corporation controlling or under common
control with any Borrower, is subject to regulation under the Investment Company
Act of 1940 or the Public Utility Holding Company Act of 1935 or is subject to
any statute or regulation which regulates the incurring by such an Obligor or
such corporation of indebtedness for or with respect to borrowed money.

    (u)   Correct Information.  To the best of each Borrower's knowledge, the
          --------------------                                                
written information, exhibits and reports furnished by any executive officer of
any Borrower to the Bank in connection with the negotiation and preparation of
this Agreement are correct in all material 

                                      -22-
<PAGE>
 
respects and do not contain any material omissions or misstatements of fact
which would make the statements contained therein misleading or incomplete in
any material respect.

     Section 5.2  [Intentionally omitted].
                  ----------------------- 

     Section 5.3  Representations and Warranties Regarding Hazardous Materials.
                  ------------------------------------------------------------  
(a) Each Borrower hereby represents and warrants to the Bank that, except as
disclosed in Schedule 5.3(a), to the best of each Borrower's knowledge:

          (1)  all Owned Premises and Leases Premised of each Borrower and each
    Subsidiary of each Borrower and their existing uses comply, and their uses
    from and after July 25, 1985 at all times have complied, in all material
    respects with applicable Environmental Laws;

          (2)  no Borrower nor any Subsidiary of any Subsidiary of any Borrower
    is in violation of, and none of them has violated any, Environmental Law in
    any material respect in connection with the ownership, possession, use,
    maintenance or operation of any Owned Premises or Leased Premises and/or the
    conduct of any business thereat or related thereto; and

          (3)  each Borrower and each Subsidiary of each Borrower have all
    material permits, certificates, licenses and other consents and approvals
    required by applicable Environmental Laws in connection with each of the
    Owned Premises or Leased Premises or any such business.

    (b)   Without limiting the generality of the preceding paragraph (a), each
Borrower represents and warrants to the Bank that except as disclosed in
Schedule 5.3(a), to the best of the Borrower's knowledge:

          (1)  no Hazardous Material is being, or is intended or threatened to
    be, and since July 22, 1985 none has ever been, received, generated handled,
    used, stored, treated, shipped or disposed of at any of the Owned Premises
    or Leased Premises in violation of any Environmental Law;

          (2)  no Hazardous Material is being, or is intended or threatened to
    be, allowed to escape, placed or disposed of, or otherwise become located
    at, on or near any of the Owned Premises or Leased Premises and no Owned
    Premises or Leased Premises has been used at any time since July 22, 1985 by
    any Person as a landfill or a waste treatment, storage or disposal facility;

          (3)  each Hazardous Material, if any, at any of the Owned Premises or
    Leased Premises is being, and at all times since July 22, 1985 has been,
    received, generated, handled, used, stored,, treated, shipped and disposed
    of in material compliance with applicable Environmental Laws;

          (4)  no asbestos or asbestos-containing materials have been installed,
    used, incorporated into or disposed of on any of the Owned Premises or
    Leased Premises or any building or other improvement thereat by any Borrower
    or by any third party at any time after July 22, 1985;

                                      -23-
<PAGE>
 
          (5)  no Environmental Law requires any material preventative or
    remedial work, repairs, construction or other action be done or taken by any
    Borrower (including, without limitation, any material expenditure of money)
    with respect to all or any part of any of the Owned Premises or Leased
    Premises;

          (6)  no underground storage tanks are located on any of the Owned
    Premises or Leased Premises which violate in any material respect any
    Environmental Law applicable to any dam, reservoir, wetland or watercourse
    at any of the Owned Premises or Leased Premises;

          (7)  no Borrower nor any Subsidiary of any Borrower has violated in
    any material respect any Environmental Law applicable to any dam, reservoir,
    wetland or watercourse at any of the Owned Premises or Leased Premises;

          (8)  all wells, water discharges and other water diversions at any of
    the Owned Premises or Leased Premises are properly registered or permitted
    under, and do not violate in any material respect, applicable Environmental
    Law; and

    (c)   Except as disclosed in Schedule 5.3(a), no Borrower nor any Subsidiary
of any Borrower has received any notice of any violation of any Environmental
Law or with respect to any of the matters referred to in the preceding
paragraphs of this Section 5.3 relating to any of the Owned Premises or Leased
Premises or their use.  To the best of each Borrower's knowledge, since July 22,
1985 there have been no writs, injunctions, decrees, orders or judgments issued
or outstanding, no suits, claims, proceedings or investigations instituted or
filed that have not been settled or otherwise terminated and none are pending or
threatened, and, except as disclosed in Schedule 5.3(a), no basis therefor
exists, with respect to the ownership, use, maintenance or operation of any of
the Owned Premises or Leased Premises, except for any of the foregoing which
would not have a material adverse effect on the financial condition or business
of any Borrower or any Subsidiary of any Borrower.  Specifically, no Borrower
nor any Subsidiary of any Borrower has, except as disclosed in Schedule 5.3(a),
received any notice or other communication with respect to any discharge of a
hazardous substance at or relating to any of the Owned Premises or Leased
Premises, and no lien for "cleanup and removal costs" has attached to any
revenues or any real or personal property of any Borrower or any Subsidiary of
any Borrower.

    (d)   For purpose of the representations and warranties made by each
Borrower, in this Section 5.3, references to "Owned Premises" or "Leased
Premises" shall include all premises which constitute Owned Premises at the time
such representations and warranties are made.

                                  ARTICLE VI
                             CONDITIONS PRECEDENT

    Section 6.1  Conditions to the Initial Loan.  The obligation of the Bank to
                 ------------------------------                                
make the initial Loan hereunder is subject to the condition that (A) prior
thereto or concurrently therewith (1) the Borrowers shall have paid to the Bank
the Up-Front Fee, and (2) the Borrowers shall have paid the invoices submitted
by the Bank's counsel for all fees and disbursements of such counsel in
connection with this Agreement and the transactions contemplated thereby, and
(B) on or before the initial Borrowing Date, the Bank shall have received each
of the following documents and instruments (in form and substance satisfactory
to the Bank and dated or certified as of the initial

                                      -24-
<PAGE>
 
Borrowing Date unless otherwise provided herein) at a closing held at the
offices of Richards & O'Neil, LLP, 885 Third Avenue, New York, New York (or at
such other place as shall be agreed to by the Bank and the Borrowers):

    (a)   Notes. The Term Note payable to the order of the Bank, substantially
          ----- 
in the form of Exhibit B-1 hereto, and the Revolving Credit Note payable to the
order of the Bank, substantially in the form of Exhibit B-2 hereto, each duly
executed by each Borrower.

    (b)   Compliance Certificate. A certificate signed by an executive officer
          ----------------------
of each Borrower to the effect that (i) each Borrower has complied in all
material respects and is then in compliance in all material respects with all
the terms, covenants and conditions of this Agreement, (ii) there exists no
Default under this Agreement, and (iii) the representations and warranties of
each Borrower contained in Sections 5.1 and 5.3 are true with the same effect as
though such representations and warranties had been made on the initial
Borrowing Date.

    (c)   Evidence of Corporate Action.  Copies of resolutions of the board of
          ----------------------------                                        
directors of each Borrower, certified, respectively, by the Secretary of each
Borrower, authorizing the execution, delivery and performance by such Person of
the Loan Documents to which it is a party and all documents relating thereto and
(in the case of each Borrower) the borrowings hereunder.

    (d)   Evidence of Corporate Existence, Etc. Certified copies of all
          ------------------------------------ 
documents which the Bank shall have reasonably requested relating to the
existence of each Borrower, and the corporate authority for or the validity of
the Loan Documents.

    (e)   Charter and By-Laws.  Copies of the Certificate or Articles of
          -------------------                                           
Incorporation and By-Laws of each Borrower, duly certified by the respective
Secretaries of such Person.

    (f)   Incumbency Certificate.  A certificate of the Secretary of each
          ----------------------                                         
Borrower, as to the title, signature and authority of each officer of such
Obligor signing each Loan Document executed by such Person. (The Bank may rely
upon such incumbency certificates as to the incumbency and authority of the
persons named therein until such time as the Bank shall have received a further
certificate signed by the Secretary of the relevant Person, cancelling or
amending the prior certificate delivered by such Person.)

    (g)   Security Documents.  Duly executed copies of each of the Security
          ------------------                                               
Documents required by Article IV to be executed by each Borrower and each
Obligor.

    (h)   UCC Financing Statements.  UCC financing statements, duly executed by
          ------------------------                                             
each Borrower with respect to the liens granted under the Security Documents in
the personal property of the Borrower.

    (i)   Insurance Policies.  Copies of all insurance policies issued with
          ------------------                                               
respect to the insurance referred to in Section 5.1(n) or required to be
maintained by each Borrower and each Subsidiary of each Borrower pursuant to
Section 7.1(g) and all other insurance relating to the Collateral, accompanied
by loss-payee endorsements in form and substance acceptable to the Bank, naming
the Bank as loss-payee.

                                      -25-
<PAGE>
 
    (j)   Governmental Approvals.  Copies of all material filings, if any,
          ----------------------                                          
requested to be made with, and all approvals required to be received from, any
governmental agency or authority in connection with the Loans and the other
transactions contemplated by this Agreement.

    (k)   Opinions of Counsel for Obligors.  The favorable written opinions of
          --------------------------------                                    
Akerman, Senterfitt & Eidson, P.A. counsel for the Borrowers satisfactory in
form and substance to the Bank, as to such matters as the Bank shall reasonably
specify.

    (l)   Solvency Certificate. If so requested by the Bank, (i) a certificate
          -------------------- 
in form and substance satisfactory to the Bank, signed by each Borrower's
President or chief financial officer, to the effect that after the borrowings on
the initial Borrowing Date, the application of the proceeds of such borrowings
and the other transactions contemplated herein and the Stock Repurchase on the
Borrowing Date for the Term Loan, each Borrower is Solvent, and (ii) such
evidence, including appraisals, as the Bank shall reasonably request to
demonstrate that such certification is correct.

    (m)   Termination and Release.  PH II Holdings, Inc. shall have executed and
          -----------------------                                               
delivered a release of the Security Interest granted by THT, subject to the
receipt of the payment in full of the amount owing under the Secured Demand Note
dated February 3, 1997.

    (n)   Additional Documents. Such other documents or information, in form and
          --------------------
substance acceptable to the Bank, as the Bank may reasonably specify.

     Section 6.2  Conditions Precedent to Each Loan.  The obligation of the Bank
                  ---------------------------------                             
to make any Loan (including any Initial Loan), is also subject to each of the
following conditions precedent:

     (a)  Notice. The Bank shall have received a Borrowing Notice with respect
          ------
to such Loan.

     (b)  Compliance. On the Borrowing Date for such Loan, (i) there shall exist
          ----------
no Default or Event of Default hereunder, (ii) each Borrower shall have complied
and shall then be in compliance with all the terms, covenants and conditions of
this Agreement, and (iii) the representations and warranties of each Borrower
contained in Sections 5.1 and 5.3 shall be true with the same effect as though
such representations and warranties had been made on such Borrowing Date; and
the Bank, if it so requests, shall have received a certificate, dated such
Borrowing Date, signed by an executive officer of each Borrower to the foregoing
effect.

     (c)  No Material Adverse Change.  There shall have occurred no material
          --------------------------                                        
adverse change in the consolidated financial condition or results of operations
of THT from that set forth in the financial statements referred to in Section
5.1(e)(1) or in the most recent financial statements delivered pursuant to
Section 7.1(c).

     (d)  Additional Documents.  The Bank shall have received prior to the
          --------------------                                            
Borrowing Date for such Loan all documents and certificates that the Bank shall
have reasonably requested.

                                  ARTICLE VII
                                   COVENANTS

                                      -26-
<PAGE>
 
     Section 7.1  Affirmative Covenants.  Each Borrower covenants and agrees
                  ---------------------                                     
that so long as any of the Borrowers may borrow hereunder and until the payment
in full of the Obligations of each Borrower hereunder, under the Notes and under
the Loan Documents, such Borrower shall (unless the Bank shall otherwise consent
in writing):

     (a)  Corporate Existence, Properties, Insurance. Do or cause to be done all
          ------------------------------------------
things reasonably necessary to preserve and keep in full force and effect its
and its Subsidiaries' corporate existence, rights and franchises and comply with
all laws applicable to it or them; remain or become, and cause each of its
Subsidiaries to remain or become, a corporation qualified to engage in business
in good standing in all jurisdictions in which the character of its properties
or the transaction of its business make such qualification necessary; maintain,
preserve and protect its licenses, patents and trade names which are material to
the conduct of its business and cause each of its Subsidiaries to so do;
maintain, and cause each of its Subsidiaries to maintain, its property used or
useful in the conduct of its business and keep same in good repair, working
order and condition, ordinary wear and tear excepted, and from time to time
make, or cause to be made, all needful and proper repairs, renewals,
replacements, betterments and improvements thereto so that the business carried
on in connection therewith may be properly and advantageously conducted at all
times.

     (b)  Payment of Indebtedness, Taxes.  Pay all of its debts and obligations
          ------------------------------                                       
when due in accordance with normal terms and trade practices and pay and
discharge or cause to be paid or discharged all taxes, assessments or other
governmental charges or levies imposed upon it or upon its income and profits or
upon any of its property, real, personal or mixed, or upon any part thereof,
before the same shall become in default, as well as all lawful claims for labor,
materials and supplies or otherwise which, if unpaid, might become a lien or
charge upon such properties or any part thereof, and cause each of its
Subsidiaries to so pay the debts and taxes, charges and assessments of such
Subsidiary; provided, however, that such Borrower or its Subsidiaries shall not
            --------  -------                                                  
be required to pay and discharge or cause to be paid or discharged any such debt
(other than its indebtedness hereunder or under any other Loan Document),
obligation, tax, assessment, charge, levy or claim so long as (i) the validity
thereof shall be contested in good faith by appropriate proceedings and (ii)
such Borrower shall have assigned on its books such reserves with respect
thereto as are required by GAAP.  Such Borrower will in all events pay, or cause
its Subsidiaries to pay, each such debt, obligation, tax, assessment, charge,
levy or claim before any property of such Borrower or its Subsidiaries shall be
sold to satisfy any lien which has attached as security therefor.

     (c)  Financial Statements, Reports, Etc. Furnish to the Bank (in reasonable
          ----------------------------------
detail reasonably satisfactory to the Bank):

          (i)   not later than twenty (20) days after the end of each month, a
    report with respect to the accounts receivable and inventory of THT,
    Jackburn and Setterstix as of the last day of such month, such report to be
    substantially in the form of Exhibit D (a "Borrowing Base Report");
                                               ---------------------   

          (ii)  as soon as available but not later than sixty (60) days after
    the close of each of the first three quarters of each fiscal year of THT,
    the consolidated and consolidating balance sheet of THT and its
    Subsidiaries, as of the close of such quarter and consolidated and
    consolidating statements of income, retained earnings, and consolidated
    statement of cash flows for THT and its Subsidiaries, for such fiscal
    quarter and for the period from the

                                      -27-
<PAGE>
 
    beginning of the then current fiscal year to the end of such fiscal quarter,
    setting forth in each case in comparative form the figures for the
    corresponding fiscal quarter in, and the corresponding portion of, THT's and
    its Subsidiaries previous fiscal year, such financial statements to be
    prepared in accordance with GAAP (but excluding footnotes) and to be
    certified by an officer of THT as fairly and accurately presenting the
    consolidated financial condition of THT respectively (subject to normal 
    year-end audit adjustments), provided that so long as THT files on a timely
    basis reports on Form 10-Q with the Securities and Exchange Commission
    (which filing with the Securities and Exchange Commission shall be deemed to
    be a delivery of such filing to the Bank hereunder), THT shall not be
    required to furnish to the Bank the consolidated financial statements
    pursuant to this clause (ii) or the certificate of THT's officer specified
    above (but shall be required to furnish consolidating statements and
    certification therefor as provided in this clause (ii));

          (iii)  as soon as available but not later than ninety (90) days after
    the close of each fiscal year of THT, the consolidated and consolidating
    balance sheet of THT, and its Subsidiaries, as of the close of such fiscal
    year, and the consolidated and consolidating statements of income, retained
    earnings and consolidated statement of cash flows for such year for THT and
    its Subsidiaries, setting forth in each case in comparative form the figures
    for the previous fiscal year, such financial statements to be prepared in
    accordance with GAAP and to be audited by, and (in the case of the
    consolidated financial statements) to be accompanied by a report of Grant
    Thornton, LLP, or another firm of independent certified public accountants
    selected by THT, and reasonably acceptable to the Bank, provided that so
    long as THT files on a timely basis reports on Form 10-K with the Securities
    and Exchange Commission (which filing with the Securities and Exchange
    Commission shall be deemed to be a delivery of such filing to the Bank
    hereunder), the Borrowers shall not be required to furnish to the Bank the
    consolidated financial statements of THT pursuant to this clause (iii) or
    the report of Grant Thornton, LLP, specified above (but shall be required to
    furnish consolidating statements and such report as provided in this clause
    (iii));

          (iv)  together with each delivery of the audited financial statements
    pursuant to clause (iii) above, (x) a certificate addressed to the Bank from
    the accounting firm which reported upon such financial statements stating
    that in the course of the regular audit of the business of the Borrower and
    its Subsidiaries, which audit was conducted by such accounting firm in
    accordance with GAAP, such accounting firm has obtained no knowledge that a
    Default hereunder has occurred and is continuing, or if, in the opinion of
    such accounting firm a Default hereunder has occurred and is continuing, a
    statement as to the nature thereof, and (y) a schedule in form satisfactory
    to the Bank of the computations used by such accounting firm in determining,
    for such fiscal year, compliance with the covenants contained in Section
    7.3;

          (v)   together with each delivery by the Borrowers of financial
    statements pursuant to clauses (ii) and (iii) above, a certificate of the
    Chairman or Chief Financial Officer of each Borrower stating whether there
    has occurred during the fiscal period with respect to which such financial
    statements are being delivered any condition or event which constitutes a
    Default hereunder, and, if any such condition or event existed or exists,
    specifying the nature and period of the existence thereof and what action
    the Borrowers have taken or propose to take with respect thereto, said
    certificate, whether or not such 

                                      -28-
<PAGE>
 
    condition or event existed or exists, to contain computations showing
    whether the Borrowers are in compliance with the requirements of Section
    7.3;

          (vi)   promptly upon their filing with the Securities and Exchange
    Commission, copies of all registration statements and all reports on Forms
    10-K, 10-Q or 8-K, if any, filed by any Borrower or any Subsidiary of any
    Borrower; and

          (vii)  with reasonable promptness, each "management letter" delivered
    to any Borrower by its accountants and such other information regarding any
    Borrower (including copies of tax returns) as the Bank may reasonably
    request regarding the operations, business, affairs, financial conditions or
    tax position of any Borrower.

    (d)   Notice of Default, Litigation, Loss of Collateral and Adverse Change.
          --------------------------------------------------------------------  
Give the Bank immediate written notice of (i) the occurrence of any event which
constitutes a Default hereunder, (ii) any action or proceeding involving or
affecting any Borrower or any Subsidiary thereof, an adverse determination of
which would materially adversely affect the consolidated financial condition or
operations of any Borrower, (iii) any loss, damage or destruction of any items
of Collateral having an aggregate book or market value exceeding $50,000, (iv)
any material default under a Material Equipment Lease or the termination of any
thereof prior to the scheduled expiration date thereof, (v) any material adverse
change in the consolidated financial condition or operations of any Borrower
from the financial condition and operations reflected in the financial
statements referred to in Section 5.1(e) or in the most recent financial
statements delivered pursuant to Section 7.1(c) and (vi) any termination or
materially adverse modification of such Borrower's or any of its Subsidiaries'
relationship with any of their material suppliers, customers or distributors.

    (e)   Records, Inspection.  Maintain, and cause each of its Subsidiaries to
          -------------------                                                  
maintain, proper books and records in accordance with GAAP with respect to the
operation of each business of any Borrower and its subsidiaries and permit
authorized representatives of the Bank, upon reasonable notice to such Borrower,
to visit and inspect from time to time during business hours any of the offices
and facilities of such Borrower and its Subsidiaries, to examine the books and
records of such Borrower and its Subsidiaries and make copies or extracts
therefrom and to discuss the affairs and accounts of such Borrower and its
Subsidiaries with its and its Subsidiaries' officers and accountants.

    (f)   Notice of ERISA Events.  Promptly upon obtaining knowledge thereof,
          ----------------------                                             
notify the Bank of the occurrence of any Reportable Event or ERISA Termination
Event with respect to any Employee Benefit Plan.

    (g)   Insurance.    (1) Maintain, and cause its Subsidiaries to maintain, at
          ---------                                                             
all times (i) physical damage insurance with responsible insurance companies on
the Collateral as required by the Security Documents, in each case naming the
Bank as loss-payee and (ii) additional insurance with responsible insurance
companies against such risks, on such properties and in such amounts, as are
generally maintained by similar businesses; and file with the Bank upon its
request (but no more frequently than annually) a detailed list of the insurance
then in effect and stating the names of the insurance companies, the amounts and
rates of the insurance, dates of the expiration thereof and the properties and
risks covered thereby.  (2) If any Borrower or its Subsidiaries shall fail to
pay any premiums with respect to insurance required to be maintained by them
pursuant to clause (1) of this Section 7.1(g), the Bank may do so on behalf of
such Borrower or such Subsidiary, in 

                                      -29-
<PAGE>
 
which event such Borrower shall on demand reimburse the Bank for such payment
together with interest from the date of such payment to the date of
reimbursement at the rate provided for herein for overdue installments of
principal.

    (h)   Location of Offices.  Give the Bank 30 days' prior written notice of
          -------------------                                   
any proposed change in the location of any Borrower's or any Subsidiary's chief
executive office, principal place of business, or the office at which such
Borrower or such Subsidiary keeps its records concerning its accounts receivable
from that specified in Schedule 5.1(p), and prior to implementing any such
proposed change furnish to the Bank all UCC financing statements and other
documents and instruments specified by the Bank as necessary to continue the
Lien of the Bank on the Collateral as a first and perfected senior Lien. Such
Borrower shall in any event not implement such proposed change if it would cause
the Bank's Lien on any Collateral to cease being a first and perfected senior
Lien.

    (i)   Location of Inventory.  Keep all inventory of each Borrower and each
          ---------------------                                               
Subsidiary of each Borrower (other than any such inventory in transit) at the
locations specified in Schedule 5.1(p); provided that such Borrower and such
Subsidiaries may keep inventory at other locations in the United States if (i)
such Borrower gives the Bank 30 days', prior written notice of its intention to
keep inventory at any such other location and (ii) prior to implementing such
proposal such Borrower furnishes to the Bank all UCC financing statements and
other documents specified by the Bank as reasonably necessary to continue the
Lien of the Bank on the inventory as a first and perfected senior Lien.  Such
Borrower and such Subsidiaries shall not in any event keep inventory (other than
any such inventory in transit) at any location other than the locations
specified in Schedule 5.1(p) if to do so would cause the Bank's Lien on such
inventory to cease being a first and perfected senior Lien.

    (j)   Change of Name; Trade Names.  Give the Bank ten days' prior written
          ---------------------------                                        
notice of any change in such Borrower's name and of trade name under which such
Borrower is doing or proposes to do business.

    (k)   Compliance with Laws; ERISA.  Observe and comply, and cause each of
          --------------------------- 
its Subsidiaries to observe and comply, in all material respects, with all
statutes, rules, regulations, guidelines or other requirements having the force
of law which now or at any time hereafter may be applicable to such Borrower or
its Subsidiaries or any Employee Benefit Plan.

    (l)   [Intentionally omitted].
          ----------------------- 

    (m)   Sale of Stock; Shareholder List.  Promptly notify, or cause THT to
          -------------------------------                                   
notify, the Bank of the commencement of an offering by THT of its stock to its
existing shareholders or to the public.

    (n)   Environmental Matters.  (1) Use, store, discharge, release or dispose
          --------------------- 
of any Hazardous Materials at any Owned Premises or Leased Premises, or permit
any other Person to do so, only in compliance in all respects with all
Environmental Laws and all permits, licenses and orders issued pursuant to any
Environmental Law; and obtain and maintain all permits, certificates, licenses
and other consents and approvals required by applicable Environmental Law with
respect to such Borrower or any Subsidiary thereof.

                                      -30-
<PAGE>
 
          (2)  Deliver to the Bank, upon its reasonable request, such reports,
    certificates, engineering studies or other written material or data as the
    Bank shall reasonably specify to demonstrate that such Borrower and each of
    its Subsidiaries is in compliance with all applicable Environmental Laws.

          (3)  If any discharge or release of Hazardous Materials occurs on any
    Owned Premises or Leased Premises, promptly clean up and remove the same in
    accordance with the provisions of applicable Environmental Law; and within
    twenty (20) days of the date any Lien is imposed against any Owned Premises
    or Leased Premises under any Environmental Law, cause such Lien to be
    discharged or bonded or otherwise secured to the Bank's satisfaction.

          (4)  Promptly provide the Bank with a copy of any notice received by
    such Borrower or any Subsidiary thereof from any governmental agency that
    any Owned Premises or Leased Premises, or any real property adjacent to any
    Owned Premises or Leased Premises, has or may become contaminated or subject
    to a cleanup order or decree or is otherwise in violation of any applicable
    Environmental Law.

          (5)  Promptly upon notice to or discovery by such Borrower of any fact
    or circumstance which might render inaccurate any representation or warranty
    contained in Section 5.3, notify the Bank in writing of such fact or
    circumstance.

    (o)   Further Assurances.  At its own cost and expense, execute and deliver
          ------------------
to the Bank, and cause each of its Subsidiaries to execute and deliver to the
Bank, all such further documents and instruments, and do, and cause its
Subsidiaries to do, all such other acts and things as may be reasonably required
to enable the Bank to exercise and enforce its rights hereunder and under the
other Loan Documents.

    Section 7.2.  Negative Covenants.  Each Borrower covenants and agrees that
                  ------------------                                          
so long as any of the Borrowers may borrow hereunder and until the payment in
full of the Obligations of each Borrower hereunder, under the Notes and under
the Security Documents, such Borrower shall not (unless the Bank shall otherwise
consent in writing):

    (a)   Debts.  Create, incur, assume or suffer to exist any Debt, or permit
          -----
any Subsidiary so to do, except (i) Debt owing to the Bank, (ii) Debt set forth
in Schedule 7.2(a)(ii), (iii) Debt secured by Liens permitted by 7.2(b), (iv)
Debt permitted by Section 7.2(e)(i), and (v) from and after the Revolving Credit
Expiration Date, Debt not exceeding $1,000,000 in principal amount at any one
time outstanding.

    (b)   Liens.  Create, incur, assume or suffer to exist any Lien with respect
          -----                                                                 
to any of its assets or properties, or permit any Subsidiary so to do, except:

          (i)   Liens securing indebtedness and obligations owing to the Bank,
including Liens created pursuant to the Security Documents to secure the
Obligations;

          (ii)  Liens for taxes, assessments or other governmental charges or
levies which are not delinquent or which are being contested in good faith and
by appropriate proceedings;

                                      -31-
<PAGE>
 
          (iii)   deposits or pledges to secure obligations under workmen's
compensation, social security or similar laws, or under unemployment insurance;

          (iv)    deposits or pledges to secure bids, tenders, contracts (other
than contracts for borrowed money), leases, statutory obligations, surety and
appeal bonds and other obligations of like nature arising in the ordinary course
of business;

          (v)     mechanics', workmen's, carriers', warehousemen's,
materialmen's or other like liens arising in the ordinary course of business
with respect to obligations which are not due, which are bonded or discharged
within 60 days of the date of filing or which are being contested in good faith;

          (vi)    reservations, exceptions, encroachments, easements, rights of
way, covenants, conditions, restrictions and other similar title exceptions or
encumbrances affecting real property which do not materially detract from the
value of the property affected or materially interfere with the ordinary conduct
of the business of such Borrower or any Subsidiary thereof;

          (vii)   attachments, judgments and other similar Liens arising in
connection with court proceedings, provided that the execution or other
enforcement thereof is effectively stayed (including stays resulting for the
filing of an appeal) within 30 days and that the claims secured thereby are
being contested in good faith by appropriate proceedings;

          (viii)  any Lien upon any property hereafter acquired by such Borrower
or any Subsidiary thereof created contemporaneously with such acquisition to
secure or provide for the payment or financing of any part of the purchase price
thereof, or the assumption by such Borrower or any Subsidiary of any Lien upon
any such property hereafter acquired existing at the time of such acquisition,
or the acquisition by such Borrower or any Subsidiary of any such property
subject to any Lien without the assumption thereof, provided that the
                                                    --------         
indebtedness secured by any such Lien so created, assumed or existing shall not
exceed 90% of the purchase price of the property covered thereby paid by such
Borrower or any Subsidiary or of the fair value thereof (as determined in good
faith by the Board of Directors of such Borrower at the time of such
acquisition), whichever is less, and provided further that every such Lien shall
                                     ----------------                           
attach only to the property so acquired and fixed improvements thereto or the
proceeds therefrom and that the aggregate outstanding principal amount of
indebtedness incurred in any one fiscal year of such Borrower and secured by any
Liens permitted by this clause (viii) shall not exceed $200,000 in the aggregate
for the Borrowers and their Subsidiaries;

          (ix)    any Lien securing the renewal, extension or refunding of any
indebtedness secured by any Lien permitted by clause (viii) above, provided that
                                                                   --------     
the principal amount secured is not increased and that the Lien is not extended
to any property or assets of such Borrower or any Subsidiary other than property
formerly securing the indebtedness so renewed, extended or refunded;

          (x)     Liens set forth in Schedule 7.2(b);

          (xi)    [intentionally omitted]; and

          (xii)   Liens on the inventory and accounts receivable of such
Borrower and its Subsidiaries securing Debts permitted by clause (iv) of Section
7.2(a).

                                      -32-
<PAGE>
 
    (c)   Guarantees and Other Contingent Liabilities.  Assume, guaranty,
          -------------------------------------------
endorse, contingently agree to purchase or otherwise become liable upon the
obligation of any Person, or permit any Subsidiary so to do, except (i)
guaranties constituting Debt permitted by Section 7.2(a) and (ii) endorsement of
negotiable instruments for deposit or collection or similar transactions in the
ordinary course of business. For purposes of this Section 7.2(c) the term
"guaranty" shall include:

          (1)  any contract providing for the making of loans, advances, or
    capital contributions to any Person or for the purchase of any property from
    any Person, in each case in order to enable such Person to maintain working
    capital, net worth or any other balance sheet condition or to pay debts,
    dividends, or expenses; and

          (2)  any contract for the purchase of materials, supplies, or other
    property or services if such contract (or any related document) requires
    that payment for such materials, supplies or other property or services
    shall be made regardless of whether or not delivery of such materials,
    supplies, or other property or services is ever made or tendered; and

          (3)  any contract to rent or lease (as lessee) any real or personal
    property if such contract (or any related document) provides that the
    obligation to make payments thereunder is absolute and unconditional under
    conditions not customarily found in commercial leases then in general use;
    and

          (4)  any other contract which, in economic effect, is substantially
    equivalent to a guarantee.

    (d)   Mergers, Acquisitions or Sales of Assets.  Enter into any merger or
          ----------------------------------------                           
consolidation or acquire all or substantially all of the assets of any Person
(or of any division, department or other operating unit of any Person) or sell,
lease, transfer or otherwise dispose of any of its assets, or permit any
Subsidiary so to do, except (i) mergers between wholly-owned Subsidiaries of
such Borrower and mergers between such Borrower and any of its wholly-owned
Subsidiaries (provided that such Borrower is the surviving corporation), (ii)
the sale of inventory in the ordinary course of business, and (iii) so long as
no Event of Default or Default has occurred and is continuing, (w) transfers
among the Borrowers, (x) sales or other dispositions in the ordinary course of
business of equipment that has become worn out or obsolete, (y) sales or other
dispositions of other equipment that is replaced by equipment of substantially
equal or greater value and utility, and (z) sales or dispositions by the
Borrowers and their Subsidiaries during any fiscal year of assets having an
aggregate book value of not more than $250,000, provided in each case such
                                                --------                  
consolidated operations of the Borrowers and their Subsidiaries are not
materially adversely affected thereby.

    (e)   Loans.  Make loans or advances to any Person, or permit any Subsidiary
          -----                                                                 
so to do, except (i) loans and advances by and between such Borrower and its
Subsidiaries, provided, that loans or advances to all Subsidiaries which are not
              --------                                                          
a Borrowers shall not exceed an aggregate principal amount of $100,000 at any
time outstanding, (ii) trade and customer accounts receivable for goods sold or
services rendered in the ordinary course of business and payable in accordance
with customary trade terms and other investments in accounts, contract rights
and chattel paper arising or acquired in the ordinary course of business, (iii)
loans and advances to employees and officers for business expenses (provided
that the aggregate outstanding principal amount of all 

                                      -33-
<PAGE>
 
advances described in this clause (iii) made to any one employee or officer of
such Borrower or any Subsidiary shall not exceed $10,000 and the aggregate
outstanding principal amount of such advances made to all officers and employees
by the Borrowers and their Subsidiaries shall not exceed $20,000), (iv) loans
and advances constituting investments permitted by Section 7.2(f), and (v) loans
outstanding on the date hereof and disclosed in Schedule 7.2 (e).

    (f)   Investments.  Purchase or acquire the obligations or stock of, or any
          -----------                                                          
other interest in, any Person, or permit any Subsidiary so to do, except (i)
direct obligations of the United States of America, (ii) certificates of deposit
issued by, and deposits in, a bank or a commercial bank having a combined
capital and surplus of at least $50,000,000 and chartered under the laws of the
United States or one of the States thereof or a branch or agency in the United
States at a non-U.S. commercial bank, (iii) short-term commercial paper which
has been given the highest rating by a national rating agency, (iv) investments
in Subsidiaries (to the extent permitted by Section 7.2(p)) or investments by
any Subsidiary in such Borrower or any other Subsidiary, (v) loans and advances
permitted by Section 7.2(e) and (vi) capital expenditures (to the extent
permitted by Section 7.3(d)).  Any instruments and securities referred to in
clauses (i) through (iii) above shall mature within 90 days after the
acquisition thereof by such Borrower or a Subsidiary.

    (g)   Restricted Payments.  Make any Restricted Payment, or permit any
          -------------------                                             
Subsidiary so to do, or set apart any sum for the purpose of making any
Restricted Payment, other than (i) the Stock Repurchase, (ii) Restricted
Payments made by a Subsidiary of such Borrower to such Borrower, (iii)
Restricted Payments made to THT, (iv) as long as there exists no Event of
Default hereunder, dividends made by THT on its outstanding shares of stock in
an amount not exceeding, in the aggregate, $250,000 in any one fiscal year, and
(v) Restricted Payments permitted by Section 7.2(h) below.

    (h)   Tax Sharing Agreements and Payments.  Terminate the Tax Sharing
          -----------------------------------                            
Agreement or amend the Tax Sharing Agreement in any manner materially adverse to
any Borrower or make any payments to THT or any other Person under the Tax
Sharing Agreement or any other tax sharing agreement or permit any Subsidiary of
any Borrower so to do; provided, that such Borrower may, if there exists no
                       --------                                            
Event of Default hereunder, make payments to THT under the Tax Sharing Agreement
in an amount not exceeding the lesser of (i) the income or franchise taxes which
would have been payable by such Borrower in the tax year in respect of which
such payment is made if it were not included in a consolidated tax return filed
by THT for itself and its Subsidiaries but instead filed separate consolidated
tax returns for such Borrower and its subsidiaries and (ii) such Borrower's and
its Subsidiaries' proportional shares of the consolidated taxable income of THT
and its Subsidiaries (calculated on the basis of their respective taxable
income).  In no event shall any payment under the Tax Sharing Agreement or any
other tax sharing agreement be made by such Borrower or its Subsidiaries in
respect of any tax year during which such Borrower and its Subsidiaries are not
included in consolidated tax returns filed by THT.

    (i)   [intentionally omitted].
          ----------------------- 

    (j)   [intentionally omitted].
          ----------------------- 

    (k)   Issuance of Stock by Subsidiaries.  Permit any Subsidiary to issue any
          ---------------------------------                                     
additional shares of any class of its capital stock, whether now or hereafter
authorized, or reissue any treasury stock unless such Borrower shall have given
notice to the Bank.

                                      -34-
<PAGE>
 
    (l)   Sale and Leaseback.  Directly or indirectly enter into any
          ------------------
arrangements, or permit any Subsidiary so to do, whereby any Borrower or any
Subsidiary of any Borrower shall sell or transfer any part of its assets then
owned by such Borrower or such Subsidiary and shall thereupon or within one year
thereafter rent or lease the assets so sold or transferred.

    (m)   New Subsidiaries.  Acquire or establish any Subsidiary, or permit any
          ----------------                                                     
corporation to become a Subsidiary of such Borrower, unless concurrently
therewith the conditions set forth in Section 4.4 are satisfied with respect to
such Subsidiary.

    (n)   Change in Nature of Business.  Change the general character of the
          ----------------------------                                      
business of any Borrower or any Subsidiary of any Borrower as conducted or
proposed to be conducted at the date hereof by such Borrower, or, in the case of
Setterstix and Jackburn, respectively, engage or permit any of its Subsidiaries
to engage in any type of business not reasonably related or incidental to the
Setterstix Business or the Jackburn Business, as the case may be, as presently
and normally conducted or as presently proposed to be conducted by it.

    (o)   Compliance with ERISA.  Permit with respect to any Employee Benefit
          ---------------------
Plan covered by Title IV of ERISA (i) any Prohibited Transaction resulting in
liability of any Borrower and any Subsidiary of any Borrower exceeding in the
aggregate $50,000, (ii) an accumulated funding deficiency which, if such
deficiency continued for two plan years and was not corrected as provided in
section 4971 of the IRC, could subject any Borrower or any Subsidiary of any
Borrower to a tax imposed by Section 4971 of the IRC in an aggregate amount
exceeding in the aggregate $50,000 or (iii) the occurrence of any Reportable
Event or ERISA Termination Event if upon termination of the Employee Benefit
Plan or Plans with respect to which one or more such Reportable Events or ERISA
Termination Events shall have occurred there is or would be any liability of any
Borrower or any Subsidiary of any Borrower to the PBGC or to any Employee
Benefit Plans exceeding in the aggregate $50,000.

    Section 7.3.  Financial Covenants.  Each Borrower covenants and agrees that
                  -------------------                                          
so long as any of the Borrowers may borrow hereunder and until the payment in
full of the Obligations of each Borrower hereunder, under the Notes and under
the other Loan Documents, such Borrower shall not (unless the Bank shall
otherwise consent in writing):

    (a)   EBITDA.  Permit EBITDA for and during each fiscal quarter, as
determined at the end of such fiscal quarter, to be less than $2,000,000.
"EBITDA" means, for any Determination Period, the consolidated net income of THT
 ------
and its Subsidiaries in such period plus (to the extent deducted in determining
such consolidated net income) the sum of (i) the Interest Expense (excluding
intercompany items) of THT and its Subsidiaries in such period, plus (ii)
depreciation, amortization and other non-cash charges of THT and its
Subsidiaries in such period, plus (iii) all income and franchise taxes of THT
and its Subsidiaries paid or provided for in such period, all as determined on a
consolidated basis in accordance with GAAP.

    (b)   Interest Coverage Ratio.  Permit the Interest Coverage Ratio for and
          -----------------------                                             
during each fiscal quarter, as determined as of the end of each fiscal quarter,
to be less than 2.00 to 1.00. "Interest Coverage Ratio" means, for any fiscal
                               -----------------------                       
quarter of THT and its Subsidiaries on a consolidated basis, the ratio of (i)
EBITDA in the Determination Period for such quarter to (ii) the Interest Expense
(excluding intercompany items) in such Determination Period.

                                      -35-
<PAGE>
 
    (c)   Leverage Ratio.  Permit the Leverage Ratio for and during each fiscal
          --------------                                                       
quarter, as determined at the end of each fiscal quarter, to exceed 2.25 to
1.00.  "Leverage Ratio" means for any fiscal quarter of THT and its Subsidiaries
        --------------                                                          
on a consolidated basis, the ratio of (i) Total Funded Debt of THT and its
Subsidiaries at the end of the Determination Period to (ii) EBITDA in such
Determination Period.  "Total Funded Debt" means for any Determination Period,
                        -----------------                                     
all Debt of THT and its Subsidiaries (excluding intercompany items) determined
on a consolidated basis as of the end of such period).

    (d)   Maximum Annual Capital Expenditures.  Permit Capital Expenditures in
          -----------------------------------
the aggregate for THT and its Subsidiaries to exceed $400,000 in any fiscal
year, provided, that the Borrowers may make additional Capital Expenditures
      --------
until the first anniversary of the date of this Agreement in an aggregate amount
not to exceed $750,000 which relates to the expansion by Setterstix of its plant
located at 261 South Main Street, Cattaraugus, New York 14719. "Capital
                                                                -------
Expenditures" means, for any period, any expenditures (whether paid in cash or
- ------------
accrued as liabilities and including in all events all amounts expended or
capitalized under Capital Leases) by any Person during that period that, in
conformity with GAAP, are or are required to be included in the property, plant
or equipment reflected in the balance sheet of such Person, provided that the
                                                            --------
term Capital Expenditures in any event shall include (i) all cash expenditures
in connection with the acquisition of all or any portion of the business of
another Person or the acquisition of the capital stock of another Person (and
not just the portion allocated or allocable to property, plant or equipment),
but shall exclude the portion reasonably allocable to the purchase of inventory
and receivables and (ii) the principal amount of all Indebtedness issued in
connection with any such acquisition.

    Section 7.4.  Change of Fiscal Year.  On the date hereof the fiscal year of
                  ---------------------                                        
each Borrower ends on September 30.  To enable the ready determination of
compliance by each of the Borrowers with the covenant set forth in Section
7.3(c), each Borrower agrees that so long as it may borrow hereunder and until
the repayment in full of the Loans and all other Obligations of any of the
Borrowers hereunder, the fiscal year of such Borrower shall end on September 30
unless the Bank shall otherwise consent (such consent not to be unreasonably
withheld) or unless such Borrower is required to do so by the Internal Revenue
Service, provided that in the case of any such change the Borrower shall consent
to appropriate adjustments in the financial covenant set forth in Section 7.3(c)
to reflect such change in such Borrower's fiscal year.

                                  ARTICLE VII
                               EVENTS OF DEFAULT

    Section 8.1.  Events of Default.  If one or more of the following events
                  -----------------                                         
shall occur (for any reason whatsoever and whether such occurrences shall be
voluntary or involuntary or come about or be effected by operation of law or
pursuant to or in compliance with any judgment, decree or order of any court or
any order made or regulation of any administrative or governmental body):

    (a)   default shall be made in the punctual payment in full when due
(whether at stated maturity, required prepayment or otherwise) of any amount of
principal of the Loans; or

    (b)   default shall be made in the punctual payment in full when due of any
amount of interest, Commitment Fees, Facility Fees or other amount payable by
any Borrower hereunder (including without limitation under Section 9.2); or

                                      -36-
<PAGE>
 
    (c)   any Borrower shall default in the due observance or performance of any
term, covenant or agreement contained in Sections 7.2 or 7.3; or

    (d)   any Borrower shall default in the due observance or performance of any
term, covenant or agreement contained in Section 7.1(c) on its part to be
observed or performed and such default shall continue unremedied for a period of
thirty (30) days after written notice thereof, specifying such default and
requiring it to be remedied, shall have been given to any Borrower by the Bank;
or

    (e)   any Obligor shall default in the due observance or performance of any
other term, covenant or agreement contained in this Agreement or in any other
Loan Document on its part to be observed or performed and such default shall
continue unremedied for a period of thirty (30) days after written notice
thereof, specifying such default and requiring it to be remedied, shall have
been given to such Obligor by the Bank; or

    (f)   any representation or warranty made by any Obligor herein or in any
other Loan Document, or any statement or representation made in any certificate,
report or opinion delivered by any Obligor or any officer of an Obligor pursuant
hereto or thereto shall prove to have been incorrect in any material respect
when made; or

    (g)   any Borrower or any of Subsidiary of any Borrower shall fail to make a
payment or payments exceeding in the aggregate (for all Borrowers and
Subsidiaries collectively) $100,000 due on any Debt owing by any one or more of
them or any such Debt of any Borrower or any Subsidiary of any Borrower
exceeding $100,000 in the aggregate shall be accelerated or shall be required to
be paid prior to the stated maturity thereof or prior to any regularly scheduled
dates of payment, or any Borrower or any Subsidiary of any Borrower shall
default in the performance of any tern contained in, or any event or condition
shall exist under, any agreement(s) or instrument(s) evidencing, or pursuant to
which there is outstanding, Debt of any Borrower or any Subsidiary of any
Borrower exceeding $100,000 in the aggregate if the effect of such default,
event or condition is to cause, or permit a holder of such Debt (or a trustee or
agent on behalf of such holder) to cause, such Debt to become due and payable
prior to its stated maturity or regularly scheduled dates of payment; or

    (h)   an involuntary proceeding shall be commenced or an involuntary
petition shall be filed seeking (i) liquidation, reorganization or other relief
in respect of any Borrower or any Subsidiary or its debts, or of a substantial
part of its assets, under any Federal, state or foreign bankruptcy, insolvency,
receivership or similar law now or hereafter in effect or (ii) the appointment
of a receiver, trustee, custodian, sequestrator, conservator or similar official
for any Borrower or any Subsidiary or for a substantial part of its assets, and,
in any such case, such proceeding or petition shall continue undismissed for 60
days or an order or decree approving or ordering any of the foregoing shall be
entered;

    (i)   any Borrower or any Subsidiary shall (i) voluntarily commence any
proceeding or file any petition seeking liquidation, reorganization or other
relief under any Federal, state or foreign bankruptcy, insolvency, receivership
or similar law now or hereafter in effect, (ii) consent to the institution of,
or fail to contest in a timely and appropriate manner, any proceeding or
petition described in clause (h) of this Section, (iii) apply for or consent to
the appointment of a receiver, trustee, custodian, sequestrator, conservator or
similar official for any Borrower or any Subsidiary or for a substantial part of
its assets, (iv) file an answer admitting the material 

                                      -37-
<PAGE>
 
allegations of a petition filed against it in any such proceeding, (v) make a
general assignment for the benefit of creditors or (vi) take any action for the
purpose of effecting any of the foregoing;

    (j)   any Borrower or any Subsidiary shall become unable, admit in writing 
or fail generally to pay its debts as they become due;

    (k)   one or more judgment or judgments for the payment of money exceeding
in the aggregate $100,000 shall be rendered against any Borrower and/or any
Subsidiary of any Borrower and the same shall not be paid, stayed, released,
discharged or fully bonded within 30 days after the issuance thereof; or

    (l)   there shall occur a ERISA Termination Event with respect to which any
Borrower or any Subsidiary of any Borrower may incur liability of $50,000 or
more in the aggregate or there shall occur a Reportable Event if upon
termination of the Employee Benefit Plan or Plans with respect to which such
Reportable Event occurred there is or would be liability of any Borrower or any
Subsidiary to the PBGC exceeding $50,000 in the aggregate;

THEN, upon the happening of any of the foregoing events and at any time
thereafter so long as any such event shall be continuing, the Bank may, by a
declaration to that effect delivered to any Borrower, take one or more of the
following actions:  (A) terminate the Commitments and the obligation of the Bank
to make the Loans to any or all of the Borrowers or (B) demand the immediate
payment of the Notes, the Loans, all interest thereon and all fees and other
amounts payable by any or all of the Borrowers hereunder, whereupon the same
shall become and be immediately due and payable, provided that upon the
happening of any event specified in clause (h) or (i) above the Commitments and
the obligation of the Bank to make the Loans shall immediately terminate and the
Notes, the Loans, all accrued interest thereon and all fees payable by any or
all of the Borrowers hereunder shall become immediately due and payable without
declaration or other notice to any Borrower.  Each Borrower hereby waives to the
fullest extent permitted by law (1) all presentments, demands for performance,
notices of nonperformance, protests, notices of protest, notices of intent to
accelerate and notice of dishonor in connection with any of the Notes or the
Loans, (2) any requirement of diligence or promptness on the part of the Bank in
the enforcement of its rights under the provisions of this Agreement or the
Notes or any other Loan Document and (3) any and all notices of every kind and
description that may be required to be given by any statute or rule of law.

    Section 8.2.  Review of Borrowers' Operations.If an Event of Default occurs
                  -------------------------------                              
and continues unremedied for a period of forty-five (45) days, the Bank may,
without in any way modifying or affecting any other rights of the Bank
hereunder, hire a consultant who shall have full access to, and the right to
audit, check, inspect and examine, the books, records, audits, correspondence
and all other papers and computer tapes and programs any and all Borrowers and
any and all Subsidiaries of any Borrower relating to the operations insofar of
any such Borrower or Borrowers or any such Subsidiary or Subsidiaries as they
relate to or are affected by such Event of Default. All reasonable expenses
incurred by the Bank by reason of the employment of any such person shall be
payable by each Borrower.

                                  ARTICLE IX
                                 MISCELLANEOUS

                                      -38-
<PAGE>
 
    Section 9.1.  Notices.  (a) Any notice, demand or communication hereunder
                  -------                                                    
shall be given in writing (including facsimile transmission or telex) and mailed
or delivered to each party at its address set forth below its signature hereto,
or, as to each party, at such other address as shall be designated by such party
by a prior notice to the other parties in accordance with the terms of this
Section.

    (b)   All notices hereunder shall be effective (i) five (5) Business Days
after such notice is mailed, by registered or certified mail, postage prepaid
(return receipt requested), (ii) upon delivery by hand and (iii) in the case of
any notice or communication by telex, facsimile transmission or cable, on the
date when sent (answerback or confirmation, as the case may be, received).

    Section 9.2.  Expenses; Indemnification.(a) Each Borrower hereby agrees to
                  -------------------------                                   
pay on demand, whether or not the transaction contemplated hereby shall be
consummated (i) all reasonable out-of-pocket costs and expenses incurred by the
Bank (including the reasonable fees and disbursements of Richards & O'Neil, LLP,
counsel for the Bank) in connection with the preparation of this Agreement and
the other Loan Documents and the transactions contemplated hereby and thereby,
(ii) all recording fees and taxes and transfer and documentary, stamp, excise
and similar taxes at any time payable in respect of this Agreement, any other
Loan Document, the Collateral, the Notes, the incurrence of the Obligations or
the grant of Liens to the Bank pursuant to the Security Documents and (iii) all
reasonable out-of-pocket expenses incurred by the Bank in connection with the
enforcement of any rights hereunder or under any other Loan Document or the
realization of any item of Collateral, including without limitation, costs of
collection and reasonable attorneys' fees and out-of-pocket expenses.

    (b)   Each Borrower shall indemnify the Bank and its directors, officers,
employees and agents (each herein called an "Indemnitee") from, and hold each
                                             ----------                      
Indemnitee harmless against, any and all losses, liabilities, claims, damages or
expenses incurred by such Indemnitee arising out of or by reason of any
investigation or litigation or other proceedings (or any threatened
investigation, litigation or proceeding) relating to the Stock Repurchase, the
negotiation, execution, delivery or performance of this Agreement or any other
Loan Document, or the making of any Loan, including, without limitation, the
reasonable fees and disbursements of counsel incurred in connection with any
such investigation, litigation or proceedings (but excluding in the case of any
Indemnitee any such losses, liabilities, claims, damages or expenses incurred by
reason of the gross negligence or willful misconduct of such Indemnitee), and,
if and to the extent that the obligations of any Borrower under this sentence
may be unenforceable for any reason, such Borrower shall make the maximum
contribution to the payment and satisfaction of each of the losses, liabilities,
claims, damages and expenses referred to above as may be permitted by applicable
law.

    (c)   Without limiting the generality of the foregoing, each Borrower agrees
to indemnify and hold the Bank harmless from all losses, costs (including
reasonable attorneys' fees and disbursements), liabilities and damages
whatsoever incurred by the Bank by reason of any liability or alleged liability
arising from any violation of any Environmental Laws, or the existence of
Hazardous Materials, at any Owned Premises or Leased Premises or by reason of
any governmental lien for the recovery of environmental clean up costs relating
to any Owned Premises or Leased Premises.  For purposes of this Section 9.2(c),
the terms "Owned Premises" and "Leased Premises" shall include any premises
which at any time after the date hereof constituted Owned Premises or Leased
Premises whether or not title to or a leasehold interest in 

                                      -39-
<PAGE>
 
such premises is held by any Borrower or any Subsidiary of any Borrower at the
time any such losses, costs, liabilities or damages are incurred by the Bank.

    (d)   The obligations of each Borrower under this Section 9.2 shall survive
the termination of this Agreement and the payment in full of the Loans.

    Section 9.3.  Amendments and Modifications.  This Agreement may not be
                  ----------------------------                            
amended or modified except by an instrument in writing signed by the Borrowers
and the Bank.

    Section 9.4.  Waivers.  No failure on the part of the Bank to exercise, and
                  -------                                                      
no delay in exercising, any right, power or remedy hereunder or under any other
Loan Document shall operate as a waiver thereof or of any Default, nor shall any
single or partial exercise by the Bank of any rights, power or remedy hereunder
preclude any other or further exercise thereof or the exercise of any right,
power or remedy.  No waiver of any provision of this Agreement or any other Loan
Document nor consent to any departure herefrom shall in any event be effective
unless the same shall be in writing and signed by the Bank, and then such waiver
or consent shall be effective only in the specific instance and for the purpose
for which given.  No notice to or demand on any Borrower in any case shall, of
itself, entitle such Borrower or any other Borrower to any other or further
notice or demand in similar or other circumstances.  No course of dealing
between any Borrower and the Bank shall operate as a waiver of the Bank's rights
under this Agreement or any Note or with respect to any of the obligations of
any Borrower hereunder or thereunder.  If notice, whether before or after an
Event of Default has occurred, is required by law to be given by the Bank to any
Borrower, the parties hereto agree that five (5) days' notice given in the
manner provided in Section 9.1 shall be reasonable notice.

    Section 9.5.  Cumulative Remedies.  This Agreement and the obligations of
                  -------------------                                        
each Borrower hereunder are in addition to and not in substitution for any other
obligations now or hereafter held by the Bank and shall not affect the rights,
remedies or powers of the Bank in respect of any obligation held by the Bank.
The remedies herein provided are cumulative and are not exclusive of any remedy
provided by law.

    Section 9.6.  Successors and Assigns.  This Agreement shall inure to the
                  ----------------------                                    
benefit of and shall be binding upon the respective successors and assigns of
the parties hereto, except that no Borrower may assign its rights and
obligations hereunder without the prior written consent of the Bank.  The Bank
may at any time sell to one or more Persons participating interests in all or
any part of the Loans, the Notes, the Commitments or any other interest or
obligation of the Bank hereunder.  The Bank may at any time assign to any Person
all or any part of the Loans, the Notes, the Commitments or any other interest
or obligation of the Bank hereunder.  The Bank shall promptly notify the
Borrowers upon any assignment as to the identity of the assignee.  The Borrowers
agree that to the extent of any assignment the assignee shall have the same
rights and benefits under the Loan Documents as it would have had if it were a
party hereunder.

    Section 9.7.  Survival.  All covenants, agreements, representations and
                  --------                                                 
warranties made herein shall survive the execution and delivery of this
Agreement and the making of the Loans and shall continue in full force and
effect until all of the Loans and all other obligations of each Borrower under
this Agreement and the Notes have been paid in full and the Commitments of each
Borrower have terminated.

                                      -40-
<PAGE>
 
    Section 9.8.  Usury.  Anything herein or in the Notes to the contrary
                  -----                                                  
notwithstanding, the obligation of any Borrower to pay to the Bank interest on
the Notes or the Loans and to pay the fees payable hereunder shall be subject to
the limitation that such payment shall not be required to the extent that
receipt of such payment by the Bank would be contrary to the provisions of any
applicable law limiting the maximum rate of interest that may be charged or
collected by the Bank.

    Section 9.9.  Governing Law.  This Agreement and the Notes shall be governed
                  -------------                                                 
by, and construed in accordance with, the laws of the State of New York.

    Section 9.10.  Submission to Jurisdiction.  (a) Each Borrower hereby
                   --------------------------                           
irrevocably and expressly submits to the jurisdiction of any New York State or
Federal court sitting in New York, New York, in any action or proceeding arising
out of or relating to this Agreement or any other Loan Document, and irrevocably
agrees that all claims in respect of such action or proceeding may be heard and
determined in such New York State or Federal court.  Each Borrower agrees that
any process or notice of motion or other application to any such court or a
judge thereof may be served on such Borrower within or outside such court's
territorial jurisdiction by registered or certified mail or by personal service
at such Borrower's address set forth beneath its signature hereto (or at such
other address as shall be designated by such Borrower by a prior notice in
writing to the Bank in accordance with Section 9.1), provided that a reasonable
time for appearance is allowed.

    (b)   Each Borrower irrevocably waives any objection which it may now or
hereafter have to the laying of venue of any suit, action or proceeding arising
out of or relating to this Agreement or any other Loan Document, in any New York
State or Federal court sitting in New York, New York and hereby further
irrevocably waives any claim that any such suit, action or proceeding brought in
any such court has been brought in an inconvenient forum.

    (c)   Notwithstanding the foregoing provisions of this Section, the Bank may
serve legal process in any other manner permitted by law and may bring any
action or proceeding against any Borrower in the courts of any jurisdiction
where any Borrower or any assets of any Borrower are located.

    Section 9.11.  WAIVER OF JURY TRIAL.  EACH BORROWER HEREBY WAIVES ANY RIGHT
                   --------------------                                        
IT MAY HAVE TO A TRIAL BY JURY OF ANY DISPUTE ARISING UNDER OR RELATING TO THIS
AGREEMENT, THE NOTES OR ANY OTHER LOAN DOCUMENT, AND AGREES THAT ANY SUCH
DISPUTE SHALL BE TRIED BEFORE A JUDGE SITTING WITHOUT A JURY.

    Section 9.12.  Set-Off, Etc.  Each Borrower hereby authorizes the Bank, upon
                   ------------                                                 
the failure by any of the Borrowers to pay any amount hereunder or under any
other Loan Document when due, to proceed directly and without prior notice, to
the full extent of such overdue amount owing by any of such Borrowers to such
Bank hereunder, under the Notes, by right of set-off, banker's lien or
otherwise, against all deposit accounts of such Borrower with the Bank and
against any assets of such Borrower which may be in the Bank's possession at
such time of such Default or at any time thereafter.  Each Borrower hereby
authorizes the Bank to do all such acts and to execute all such documents in the
name of such Borrower or in the name of the Bank as may be necessary or in any
manner helpful to the Bank in exercising or enforcing its rights and powers
under this Section 9.12.  The Bank shall not be required to exercise any power
or authority vested 

                                      -41-
<PAGE>
 
in it under this Section 9.12. The Bank agrees promptly to notify such Borrower
after any such action and application made by the Bank, but the failure to give
such notice shall not affect the validity of such set-off and application. The
rights of the Bank under this Section 9.12 are in addition to any other rights
and remedies (including, without limitation, other rights of set-off) which the
Bank may have.

    Section 9.13.  Severability.  If any part of this Agreement is contrary to,
                   ------------                                                
prohibited by or deemed invalid under any applicable law of any jurisdiction,
such provision shall, as to such jurisdiction, be inapplicable and deemed
omitted to the extent so contrary, prohibited or invalid, without invalidating
the remainder hereof or affecting the validity or enforceability of such
provision in any other jurisdiction.

    Section 9.14.  Termination.  This Agreement shall remain in full force and
                   -----------                                                
effect until the latest to occur of:  (i) the payment of all Loans, interest,
fees and all other amounts payable hereunder and (ii) the termination of the
Commitments; provided, however, that the obligations of any Borrower under
Sections 3.3 and 9.2 shall survive the termination of this Agreement.

    Section 9.15.  Counterparts.  This Agreement may be executed in several
                   ------------                                            
counterparts, each of which shall be an original and all of which shall
constitute but one and the same instrument.

    Section 9.16.  Limitation.  The joint and several liability of each of
                   ----------                                             
Setterstix and Jackburn with respect to the principal of and interest on Loans
not borrowed by it or the proceeds of which were not loaned by any other
Borrower to it, shall not exceed at any time the greater of (i) 95% of the
Adjusted Net Assets (as hereinafter defined) of such Borrower at the time of
delivery hereof and (ii) 95% of the Adjusted Net Assets of such Borrower at the
time of any payment hereunder. As used herein, the term "Adjusted Net Assets"
means, for each of Setterstix or Jackburn, at any time, the lesser of (x) the
amount by which the fair value of the property of such Borrower exceeds the
total amount of liabilities (including, without limitation, contingent
liabilities, but excluding liabilities under the Loan Documents) and (y) the
amount by which the present fair salable value of the assets of such Borrower at
such time exceeds the amount that will be required to pay the probable liability
of such Borrower on its debts (excluding debt in respect of the Loan Documents),
as they become absolute and matured.  With respect to contingent liabilities
(such as litigation, guarantees and pension plan liabilities), such liabilities
shall be valued at the amount which, in light of all the facts and circumstances
existing at the time, represent the amount which can reasonably be expected to
become an actual or matured liability.

    IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly
executed by their duly authorized officers as of the day and year first above
written.
 
Address:
- -------
 
33 Riverside Avenue, 5th Floor          THT INC.
Westport, Connecticut  06880
Fax No.:  (203) 226-8022
Attn:  Frederick A. Rossetti            By:   /s/ Frederick A. Rossetti
                                           -------------------------------------
                                        Name:   Frederick A. Rossetti
                                        Title:  President

                                      -42-
<PAGE>
 
c/o THT Inc.                            SETTERSTIX CORPORATION
33 Riverside Avenue, 5th Floor
Westport, Connecticut  06880
Fax No.:  (203) 226-8022                By:   /s/ Frederick A. Rossetti
                                           -------------------------------------
Attn:  Frederick A. Rossetti            Name:   Frederick A. Rossetti
                                        Title:  Chief Executive Officer

c/o THT Inc.                            JACKBURN MFG., INC.
33 Riverside Avenue, 5th Floor
Westport, Connecticut  06880
Fax No.:  (203) 226-8022                By:   /s/ Frederick A. Rossetti
                                           -------------------------------------
Attn:  Frederick A. Rossetti            Name:   Frederick A. Rossetti
                                        Title:  President
 
1133 Avenue of the Americas             FLEET BANK N.A.
New York, New York 10036
Fax No.:  (212) 907-5162
Attn.:  John M. Tuohy                   By:   /s/ John M. Tuohy
                                           -------------------------------------
                                        Name:   John M. Tuohy
                                        Title:  Vice President

                                      -43-

<PAGE>
 
EXHIBIT 10.2                  SECURITY AGREEMENT
                                  (THT INC.)

     SECURITY AGREEMENT (as amended, supplemented, restated or modified from
time to time, "this Agreement"), dated as of March 27, 1997 between THT Inc., a
Delaware corporation (the "Debtor"), and Fleet Bank N.A. (the "Bank"). Except as
otherwise defined herein, terms used herein and defined in the Credit Agreement
referred to below, as in effect on the date hereof, shall have the meaning
specified for such terms in the Credit Agreement.

     WHEREAS, the Debtor and the Bank are entering into a Credit Agreement of
even date herewith (as amended, supplemented, restated or modified from time to
time, the "Credit Agreement"), pursuant to which the Bank is agreeing to make
certain Loans to the Borrowers (as defined therein) subject to the terms and
conditions of the Credit Agreement;

     WHEREAS, the execution and delivery of this Agreement and the grant to the
Bank of the security interests contemplated hereby are conditions precedent to
the obligation of the Bank to make Loans to the Borrowers;

     NOW, THEREFORE, in consideration of the premises and to induce the Bank to
execute and deliver the Credit Agreement and to make Loans to the Borrowers
thereunder, the parties hereby agree as follows:

     X.     Security Interest. As security for the prompt and complete payment
            -----------------
and performance in full of all the Obligations, the Debtor hereby assigns,
pledges and transfers to the Bank and grants to the Bank a security interest in
and lien on all of the Debtor's right, title and interest in, to and under the
following, in each case, whether now owned or existing or hereafter acquired or
arising, and wherever located (all of which being hereinafter collectively
called the "Collateral"):

               (1)  all accounts, as such term is defined in Section 9-106 of
the UCC. "UCC" shall mean the Uniform Commercial Code as in effect from time to
          ---
time in the State of New York.

               (2)  all chattel paper, as such term is defined in Section 9-
105(b) of the UCC;

               (3)  all books, records, computer software, computer printouts,
customer lists, blueprints, technical specifications, manuals, and similar items
which relate to any Collateral other than such items obtained under license or
franchise agreements which prohibit assignment or disclosure of such items;

               (4)  all equipment, as such term is defined in Section 9-109(2)
of the UCC, including, without limitation, machinery, manufacturing equipment,
data processing equipment, computers, office equipment, furniture, appliances,
and tools, (collectively, the "Equipment");

               (5)  all fixtures, as such term is defined in Section 9-313 of
the UCC;

               (6)  all general intangibles, as such term is defined in Section
9-106 of the UCC, including, without limitation, rights to the payment of money
(other than Receivables), trademarks and service marks (including applications
therefor, except any intent-to-use applications as such 

                                     -44-
<PAGE>
 
term is defined in 15 U.S.C. (S) 1060) (collectively, "the Marks"), copyrights,
contracts, licenses, and franchises (except in the case of licenses and
franchises in respect of which the Debtor is the licensee or franchisee if the
agreement in respect of such license or franchise prohibits by its terms any
assignment or grant of a security interest, limited and general partnership
interests and joint venture interests, federal income tax refunds, trade names,
distributions on certificated securities (as defined in Section 8-102(1)(a) of
the UCC and uncertificated securities (as defined in Section 8-102(1)(b) of the
UCC), computer programs and other computer software, inventions, designs, trade
secrets, good will, proprietary rights, customer lists, supplier contracts, sale
orders, correspondence, advertising materials, payments due in connection with
any requisition, confiscation, condemnation, seizure or forfeiture of any
property, reversionary interests in pension and profit sharing plans and
reversionary, beneficial and residual interests in trusts, credits with and any
other claims against any Person, together with any of the collateral for any of
the foregoing and the rights under any security agreement granting a security
interest in such collateral;

               (7)  all instruments, as such term is defined in Section 9-
105(1)(i) of the UCC;

               (8)  all insurance policies;

               (9)  all inventory, as such term is defined in Section 9-109(4)
of the UCC, including without limitation, all goods (whether such goods are in
the possession of the Debtor of a bailee or other Person for sale, lease,
storage, transit, processing, use or otherwise and whether consisting of whole
goods, spare parts, components, supplies, materials or consigned or returned or
repossessed goods) including without limitation, all such goods which are held
for sale or lease or are to be furnished (or which have been furnished) under
any contract of service or which are raw materials or work in progress, or
materials used in or consumed in the Debtor's business (collectively, the
"Inventory");

               (10) all money, as such term is defined in Section 1-201(24) of
the UCC;

               (11) all Receivables, which shall mean all rights to payment for
goods sold or leased or services rendered, whether or not earned by performance
and all rights in respect of the account debtor, including without limitation,
all such rights in which the Debtor has any right, title or interest by reason
of the purchase thereof by the Debtor, and including without limitation all such
rights constituting or evidenced by any account, chattel, paper, instrument,
general intangible, note, contract, invoice, purchase order, draft, acceptance,
intercompany account, security agreement, or other evidence of indebtedness or
security, together with (a) any collateral assigned, hypothecated or held to
secure any of the foregoing and the rights under any security agreement granting
a security interest in such collateral, (b) all goods, the sale of which gave
rise to any of the foregoing, including, without limitation, all rights in any
returned or repossessed goods and unpaid seller's rights, (c) all guarantees,
endorsements and indemnifications on, or of, any of the foregoing, and (d) all
powers of attorney for the execution of any evidence of indebtedness or security
or other writing in connection therewith (collectively, the "Receivables");

               (12) all Receivables records, which shall mean (a) all original
copies of all documents, instruments or other writings evidencing the
Receivables, (b) all books, correspondence, credit or other files, records,
ledger sheets or cards, invoices and other papers relating to Receivables,
including without limitation all tapes, cards, computer tapes, computer disks,
computer runs, recordkeeping systems and other papers and documents relating to
the 

                                     -45-
<PAGE>
 
Receivables, whether in the possession or under the control of the Debtor or any
computer bureau or agent from time to time acting for the Debtor or otherwise,
(c) all evidences of the filing of financing statements and the registration of
other instruments in connection therewith and amendments, supplements or other
modifications thereto, notices to other creditors or secured parties, and
certificates, acknowledgements, or other writings including without limitation
lien search reports, from filing or other registration officers, (d) all credit
information, reports and memoranda relating thereto and (e) all other written or
non-written forms of information related in any way to the foregoing or any
Receivable;

               (13) all trademarks, service marks, designs, logos, indicia,
trade names, corporate names, company names, business names, fictitious business
names, trade styles, elements of package or trade dress, and other source and
product or service identifiers, used or associated with or appurtenant to the
products, services and businesses of the Debtor, that (a) are set forth on
Schedule D hereto, or (b) have been adopted, acquired, owned, held or used by
- ----------
the Debtor or are now owned, held or used by the Debtor, in the Debtor's
business, or with the Debtor's products and services, or in which the Debtor has
any right, title or interest, or (c) are in the future adopted, acquired, owned,
held and used by the Debtor in the Debtor's business or with the Debtor's
products and services, or in which the Debtor in the future acquires any right,
title or interest.

               (14) all patents and patent applications, whether United States
or foreign, that are owned by the Debtor or in which the Debtor has any right,
title or interest, now or in the future, including but not limited to: (a) the
patent and patent applications listed on Schedule F hereto; (b) all letters
                                         ----------
patent of the United States or any other country, and all applications for
letters patent of the United States or any other country; (c) all re-issues,
continuations, divisions, continuations-in-part, renewals or extensions thereof;
(d) the inventions disclosed or claimed therein, including the right to make,
use, practice and/or sell (or license or otherwise or transfer or dispose of)
the inventions disclosed or claimed therein; and (e) the right (but not the
obligation) to make and prosecute applications for such patents (collectively,
the "Patents").

               (15) all other tangible or intangible personal property;

               (16) all accessions as such term is defined in Section 9-314 of
the UCC and additions to any or all of the foregoing, all substitutions and
replacements for any or all of the foregoing; and

               (17) proceeds or products of any or all of the foregoing.

     XI.    Obligations Secured.  The security interest granted hereby shall
            -------------------                                             
secure all obligations of the Borrowers, whether now existing or hereafter
arising, under the Credit Agreement, the Notes issued thereunder, and all other
Loan Documents (the "Obligations").

     XII.   Representations and Warranties.  The Debtor hereby makes the
            ------------------------------                              
following representations and warranties which shall be deemed to be repeated
and confirmed upon the creation or acquisition by the Debtor of each item of
Collateral and upon the creation of any Obligation:

     (a)  except for the security interest of the Bank therein and except for
Permitted Liens, the Debtor is, and as to Collateral acquired from time to time
after the date hereof the Debtor will 

                                     -46-
<PAGE>
 
be, the owner of all the Collateral, free from any lien, security interest,
encumbrance or other right, title or interest of any person or entity;

     (b)  appropriate financing statements with respect to the security interest
created hereunder in the Collateral have been duly executed and delivered by the
Debtor to the Bank and will be filed in all appropriate offices; no filing of
any other financing statements or other instruments and no recording, filing or
indexing of this Agreement is necessary or appropriate in order to preserve,
protect and perfect the liens and security interests created by this Agreement
in the Collateral as legal, valid and enforceable perfected liens and security
interests in the Collateral superior and prior to the rights of all other
Persons therein.

     (c)  there is no financing statement (or similar statement or instrument of
registration under the law of any jurisdiction) now on file or registered in any
public office covering any interest of the Debtor in the Collateral, or intended
so to be, other than those listed in Schedule B hereto, and so long as the
                                     ----------                           
Debtor may borrow from the Bank or any of the Obligations remain unpaid the
Debtor will not execute and there will not be on file in any public office any
financing statement (or similar statement or instrument of registration under
the law of any jurisdiction) relating to the Collateral, except (i) financing
statements filed or to be filed in respect of the security interests in the
Collateral granted hereunder to the Bank and (ii) financing statements filed in
respect of Permitted Liens;

     (d)  the chief executive office and principal place of business of the
Debtor is located at the address set forth next to its signature below.  The
originals of all documents (as well as all duplicates thereof) evidencing all
Receivables and the only original books of account and records of the Debtor
relating thereto are kept at said chief executive office or at the location set
forth for the Debtor in Schedule C hereto.  All Inventory consisting of finished
                        ----------                                              
goods and all Equipment of the Debtor, if any, is held on the date hereof at the
locations specified for the Debtor in Schedule A hereof; and
                                      ----------            

     XII.   Covenants of the Debtor. (a) At all reasonable times the Bank
            -----------------------
shall have full access to, and the right to audit, check, inspect and make
abstracts and copies of, the Debtor's books, records, audits, correspondence and
all other papers and computer files, disks and tapes and programs relating to
the Collateral. The Bank shall have the right to confirm and verify the
Receivables and other Collateral and to do whatever the Bank may deem reasonably
necessary in its reasonable discretion to protect the interests of the Bank. The
Bank or its agent may enter from time to time the premises of the Debtor at any
reasonable time during normal business hours for the purpose of inspecting the
Collateral and any and all records pertaining thereto.

     (b)  The Debtor will keep the Equipment, at its cost and expense, in good
operating repair and condition, and will not misuse, abuse or waste the
Equipment or allow the Equipment to deteriorate (or permit any of the
foregoing), except for normal wear and tear in the ordinary course of business,
and will make the Equipment available for inspection by the Bank at all
reasonable times during normal business hours.

     (c)  The Debtor will not create, permit or suffer to exist, and the Debtor
will defend the Collateral against and take such other action as is reasonably
necessary to remove, any lien, security interest or encumbrance on the
Collateral other than Permitted Liens and will defend the right, title and
interest of the Bank in and to any of the Debtor's rights to the Collateral
against 

                                     -47-
<PAGE>
 
the claims and demands of all persons whomsoever claiming an interest therein
adverse to the Bank.

     (d)  The Debtor will not change the location specified on Schedules A and C
                                                               -----------------
hereof of its chief executive office, principal place of business or the office
where records concerning the Receivables are kept and the Debtor will not keep
Equipment or Inventory (other than any such Inventory in transit) at any
location other than the locations specified in Schedule A hereto until, in each
                                               ----------                      
case, (i) the Debtor shall have given to the Bank not less than 30 days' prior
written notice of its intention so to do, clearly describing such new location
and providing such other information in connection therewith as the Bank may
reasonably request, and (ii) with respect to such new location, the Debtor shall
have taken such action, reasonably satisfactory to the Bank (including, without
limitation, the delivery of additional financing statements duly signed by the
Debtor), to maintain the security interest of the Bank in the Collateral at all
times senior and fully perfected and in full force and effect.  With respect to
Inventory, action reasonably satisfactory to the Bank shall mean prior to
implementing such proposal such Debtor furnishes to the Bank all UCC financing
statements and other documents specified by the Bank as reasonably necessary to
continue the Lien of the Bank on the Inventory as a first and perfected senior
Lien.  The Debtor Borrower shall not in any event keep Inventory (other than any
such Inventory in transit) at any location other than the locations specified in
Schedule A if to do so would cause the Bank's Lien on such Inventory to cease
- ----------                                                                   
being a first and perfected senior Lien.

     (e)  The Debtor will furnish to the Bank within ten (10) days of any
request therefor by the Bank, statements (in form, substance and detail
reasonably satisfactory to the Bank) of all Receivables of the Debtor (including
any aging thereof), itemized by account debtor, and of the location (and
aggregate book value at each such location) of all Inventory and Equipment of
the Debtor, each such statement to be certified by its chief financial officer,
and, promptly from time to time, such other information as the Bank may
reasonably request regarding the Collateral and the Debtor's operations,
business, affairs and financial condition.

     (f)  The Debtor will, at its own expense, make, execute, endorse,
acknowledge, file or deliver to the Bank from time to time such lists,
descriptions, schedules, invoices, warehouse receipts, bills of confirmatory
assignments, conveyances, financing statements, transfer endorsements, powers
of attorney, certificates, reports and other assurances or instruments and take
such further steps relating to the Collateral and other property or rights
covered by the security interest hereby granted as the Bank deems reasonably
appropriate or advisable to perfect, preserve or protect its security interest
in the Collateral.

     XIV.   Special Provisions Concerning Receivables. (a) As of the time when
            -----------------------------------------
each Receivable of the Debtor arises, the Debtor shall be deemed to have
warranted as to each such Receivable that such Receivable and all papers and
documents relating thereto are genuine and in all respects what they purport to
be, and that each such Receivable (i) will, to its knowledge, represent the
legal, valid and binding obligation of the account debtor thereon for the unpaid
amount owed by such account debtor for the sale and delivery by the Debtor of
the goods, or the performance by the Debtor of the services, listed therein,
(ii) will be the only original writings evidencing and embodying such obligation
of the account debtor named therein, (iii) will evidence obligations arising in
the ordinary course of the Debtor's business in one or more arm's-length
transactions, not subject to any stamp or other taxes, except as shall be
disclosed to the Bank, and (iv) will be, to the best knowledge of the Debtor, in
compliance and will conform with all applicable federal, state and local laws.
The Debtor shall use its best efforts to take all steps

                                     -48-
<PAGE>
 
necessary to preserve the liability of each account debtor, guarantor, endorser,
obligor or secondary party on or with respect to the Receivables of the Debtor.

     (b)  The Debtor will keep and maintain, at the Debtor's own cost and
expense, satisfactory and complete records of the Receivables of the Debtor,
including, without limitation, records of all payments received, all credits
granted thereon, all merchandise returned and all other dealings therewith, and
the Debtor will make copies of the same available to the Bank, at the Debtor's
own cost and expense, at any and all reasonable times upon demand of the Bank.
At the request of the Bank (which request, if made before the occurrence of an
Event of Default, shall state that, in the opinion of the Bank (or the Bank's
legal counsel), the legend specified below is necessary to perfect or protect
the first priority of the security interests of the Bank in the Receivables),
the Debtor shall legend, in form and manner reasonably satisfactory to the Bank,
the Receivables of the Debtor and other books, records and documents of the
Debtor evidencing or pertaining to accounts receivable with an appropriate
reference to the fact that the Receivables of the Debtor have been assigned to
the Bank and that the Bank has a security interest therein.

     (c)  The Debtor will not rescind or cancel any indebtedness evidenced by
any Receivable or modify any material term thereof, or extend or renew the same,
or compromise or settle any dispute, claim, suit or legal proceeding relating
thereto, or sell any Receivable or interest therein, without the prior written
consent of the Bank, except as permitted by Paragraph 5(e) hereof.

     (d)  The Debtor will duly fulfill all obligations on its part to be
fulfilled under or in connection with the Receivables and will use due diligence
to preserve the rights of the Bank in the Receivables and will not knowingly do
anything to impair the rights of the Bank in the Receivables.

     (e)  The Debtor will use reasonable efforts to collect or cause to be
collected from the account debtor on each Receivable of the Debtor, as and when
due (including, without limitation, Receivables which are delinquent, such
Receivables to be collected in accordance with generally accepted lawful
collection procedures) any and all amounts owing under or on account of such
Receivable, except that prior to the occurrence of an Event of Default, the
Debtor may allow in the ordinary course of business as adjustments to amounts
owing under the Receivables of the Debtor (i) an extension or renewal of the
time or times of payment, or settlement for less than the total unpaid balance,
which the Debtor finds necessary in accordance with sound business and credit
judgment, and (ii) a refund or credit due as a result of returned or damaged
Inventory or improper or faulty performance of services.  The costs and expenses
(including attorneys' fees) of collection, whether incurred by the Debtor or the
Bank, shall be borne by the Debtor.

     (f)  The Debtor shall, promptly upon learning thereof, report to the Bank
all delays in performance, notices of default, claims made or disputes asserted
by any account debtor or other obligor on any Receivable of the Debtor or
instrument on which there is owing more than $25,000 and any other matters
materially affecting the value, enforceability or collectibility of any such
Receivable.

     (g)  After the occurrence and during the continuance of any Event of
Default, the Bank is authorized and empowered in its sole discretion to accept
the return of the goods, if any, represented by any Receivable of the Debtor or
contract rights, without notice to or consent by 

                                     -49-
<PAGE>
 
the Debtor, all without discharging or in any way affecting the Debtor's
liability hereunder or on the Obligations.

     (h)  After the occurrence and during the continuance of any Event of
Default, the Bank shall have the right, without notice to (unless specifically
provided for herein), or assent by, the Debtor, but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) to notify any or all account debtors under any or all of the Receivables to
make payment thereof directly to the Bank for the account of the Debtor or the
Bank and to require the Debtor to forthwith give similar notice to the account
debtors; (ii) to demand, collect, sue for, receive, compound and give
acquittance for the Receivables or any part thereof; (iii) to extend the time of
payment of, compromise or settle for cash, credit or otherwise, and upon any
terms and conditions, any of the Receivables; (iv) to endorse the name of the
Debtor on any checks, drafts or other orders or instruments for the payment of
moneys payable to the Debtor which shall be issued in respect of any Receivable;
(v) to file any claims and commence, maintain or discontinue any actions, suits
or other proceedings deemed by the Bank in its reasonable discretion to be
necessary or advisable for the purpose of collecting or enforcing payment of any
Receivable; (vi) to execute any instrument and do any and all other things
necessary and proper to protect and preserve and realize upon the Receivables
and the other rights contemplated hereby; (vii) to require the Debtor to
forthwith account for and transmit to the Bank in the same form as received all
proceeds (other than physical property) of collection of Receivables received by
the Debtor and, until so transmitted, to hold the same in trust for the Bank and
not commingle such proceeds with any other funds of the Debtor; (viii) to
require the Debtor to deliver, at the Debtor's expense, any or all papers,
documents, correspondence, records and computer programs and tapes and other
electronic data processing software evidencing or relating to the Receivables to
the Bank at a place designated by the Bank (and after delivery thereof the
Debtor shall have no further claim to or interest in such Receivables); (ix) to
notify the post office authorities to change the address for delivery of mail
addressed to the Debtor to such address as the Bank may designate; and (x) to do
all other acts and things reasonably necessary to carry out this Agreement.  The
Bank shall not be obligated to do any of the acts hereinabove authorized, but in
the event that the Bank elects to do any such act, the Bank shall not be
responsible to the Debtor except for its gross negligence or willful misconduct.

     (i)  If any Receivable of the Debtor becomes evidenced by a promissory note
or similar instrument in the sum of more than $25,000, the Debtor will notify
the Bank thereof, and upon request by the Bank will promptly deliver such
instrument to the Bank appropriately endorsed to the order of the Bank as
further security for the payment in full of the Obligations.

     XV.    Special Provisions Concerning Inventory and Equipment.  (a)  The
            -----------------------------------------------------           
Debtor will at all times keep all of its Inventory and Equipment, if any,
insured at the expense of the Debtor, to the Bank's satisfaction, against fire,
theft, and all other risks to which such Inventory and Equipment may be subject;
all policies or certificates with respect to such insurance shall be endorsed to
the Bank's reasonable satisfaction for the benefit of the Bank to the extent of
its interest therein (including, without limitation, by naming the Bank as loss
payee), provided that the Debtor may be the loss payee for all payments under
said insurance with respect to any casualty involving a loss of less than
$50,000, and evidence of such insurance satisfactory to the Bank shall be
deposited with the Bank.  If the Debtor shall fail to insure its Inventory and
Equipment to the Bank's reasonable satisfaction, or if the Debtor shall fail to
so endorse and deposit all policies or certificates with respect thereto in
accordance herewith, the Bank shall have the right (but shall be under no
obligation) to procure such insurance and the Debtor agrees to 

                                     -50-
<PAGE>
 
reimburse the Bank for all costs and expenses of procuring such insurance. The
Bank may apply any proceeds of such insurance with respect to the Inventory and
Equipment, when received by it, toward the payment of any of the Obligations
owing by the Debtor, whether or not the same shall then be due; provided,
                                                                --------
however, that so long as no Event of Default or material Default shall have
- -------
occurred and be continuing when the Bank receives such proceeds, the Bank shall
forward any such proceeds received by it to the Debtor, at the Debtor's request,
for application to the cost of repairing or replacing the items of Inventory or
Equipment in respect of which such proceeds were paid. The Debtor shall give
immediate written notice to the insurers (and in the case of a loss or damage
involving more than $25,000, to the Bank) of any loss or damage to the
Collateral or any part thereof and shall promptly file all necessary or
appropriate proofs of loss with the insurers. The Debtor hereby appoints the
Bank the attorney-in-fact for the Debtor in obtaining, adjusting and cancelling
any such insurance and endorsing settlement drafts.

     (b)  The Debtor will prevent, by all reasonable action or actions as may be
necessary, any of the Equipment (other than Equipment located on property owned
by the Debtor and subject to a mortgage in favor of the Bank) from becoming
fixtures under the laws of the jurisdiction where such Equipment is located.
The Debtor will, if requested by the Bank, use reasonable efforts to obtain
waivers or subordinations of liens, in form satisfactory to the Bank, from each
lessor, each sublessor and each mortgagee of each lessor and sublessor whose
mortgage was executed prior to the lease from such lessor or sublessor, of real
property on which any of the Equipment is or may be located, and will perform
all other acts the Bank may request to maintain the Equipment apart from any
realty.

     (c)  The Bank shall have the right upon the occurrence of an Event of
Default which shall be continuing, without notice to (unless specifically
provided for herein), or assent by, the Debtor but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) upon notice to such effect, to require the Debtor to deliver, at the
Debtor's expense, any or all of the Inventory and Equipment to the Bank at a
place designated by the Bank (and after delivery thereof the Debtor shall have
no further claim to or interest in such Inventory and Equipment); (ii) to take
possession of any or all of the Inventory and Equipment of the Debtor and, for
that purpose, to enter, with the aid and assistance of any Person, any premises
where the Inventory or Equipment, or any part thereof, is, or may be, placed or
assembled, and to remove any of such Inventory and Equipment, to render the
Equipment unusable or to dispose of or store the Inventory and Equipment in such
premises at the cost and expense of the Debtor; and (iii) to execute any
instrument and do all the things necessary and proper to protect and preserve
and realize upon the Inventory and Equipment and the other rights contemplated
hereby.  The Bank shall not be obligated to do any of the acts hereinabove
authorized, but in the event that the Bank elects to do any such act, the Bank
shall not be responsible to the Debtor except for the Bank's gross negligence or
willful misconduct.  It is hereby understood that the Debtor's obligation so to
deliver the Collateral or any portion thereof is of the essence of this
Agreement and that, accordingly, upon the application to a court of equity
having jurisdiction, the Bank shall be entitled to a decree requiring specific
performance by the Debtor of said obligation.

     (d)  Upon taking possession of any Equipment or Inventory pursuant hereto
following the occurrence of an Event of Default, the Bank shall have the right
to hold, store or use, operate, manage and control such Equipment and Inventory.
Upon any such taking of possession by the Bank of any Equipment or Inventory,
the Bank may, from time to time at the expense of the Debtor, make all such
repairs, replacements, alterations, additions and improvements to any of such
Equipment and Inventory as the Bank may deem reasonably proper.  In any such
case, the 

                                     -51-
<PAGE>
 
Bank shall have the right to manage and control such Inventory and Equipment and
to carry on the business and exercise all rights and powers of the Debtor
respecting the Inventory and Equipment, all as the Bank shall deem best; and the
Bank shall be entitled to collect and receive all rents, issues, profits, fees,
revenues and other income of the same and every part thereof. Such rents,
issues, profits, fees, revenues and other income shall be applied to pay the
expenses incurred in (i) holding and operating such Equipment and Inventory;
(ii) performing all maintenance, repairs, replacements, alterations, additions
and improvements which the Bank may be required or elect to make, if any; and
(iii) paying all taxes, assessments, insurance and other charges upon such
Equipment and Inventory or any part thereof, and all other payments, which the
Bank may be required or authorized or elect to make (including reasonable fees
and disbursements of the Bank's counsel). Any remaining rents, issues, profits,
fees, revenues and other income shall be applied to the payment of the
Obligations in accordance with Paragraph 11 hereof.

     (e)  Notwithstanding any other provision of this Agreement to the contrary,
prior to the occurrence of an Event of Default, the Debtor may, in the ordinary
course of business, dispose of any item of Equipment or Inventory which is
subject to the security interest granted by the Debtor to the Bank under this
Agreement, free of such security interest, without any further act of the Bank.

     XVI.   Financing Statements; Documentary Stamp Taxes. (a) The Debtor
            ---------------------------------------------
agrees to sign and deliver to the Bank such financing statements, in form
reasonably acceptable to the Bank, as the Bank may from time to time request as
are necessary in the reasonable opinion of the Bank to establish and maintain a
valid, enforceable and perfected security interest in the Collateral and the
other rights and security contemplated hereby which is superior and prior to the
rights of all third persons. The Debtor will pay any applicable filing fees and
related expenses. The Debtor authorizes the Bank to file any such financing
statements without the signature of the Debtor.

     (b)  The Debtor agrees to procure, pay for, affix to any and all documents
and cancel any documentary tax stamps or similar taxes required by, and in
accordance with, applicable law and the Debtor will indemnify and hold the Bank
harmless against any liability (including interest and penalties) in respect of
such taxes.

     XVII.  Additional Provisions Concerning the Marks. (a) Debtor represents
            ------------------------------------------
and warrants that it is the true and lawful owner of the Marks listed in
Schedule D attached hereto and that said Marks constitute all the Marks that
- ----------
Debtor now owns. Debtor further represents and warrants that it is a licensee
under the Marks listed in such Schedule D and that said Marks constitute all the
                               ----------
Marks under which Debtor is licensed.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any right in or affecting a Mark, whether or not such right is
presently held by Debtor.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent details available to it, with respect to any material
infringement or other material violation of Debtor's right in any Mark, whether
or not such right is presently held by Debtor. As to each such instance, absent
the Bank's authorization to proceed otherwise, Debtor shall diligently and to
the extent permitted by law pursue a remedy.  Promptly upon learning thereof,
Debtor shall notify the Bank of all pertinent details available to it regarding
any claim that Debtor's use of any Mark violates the property right of another.

                                     -52-
<PAGE>
 
     (d)  As to all Marks as to which Debtor has or shall have title, and at its
own expense, Debtor shall comply with all requirements for maintaining
registration, including but not limited to the filing of affidavits and seeking
of renewals.  Without prior written consent of the Bank, Debtor shall not
abandon any such filing of an affidavit of use or any such application of
renewal, prior to exhaustion of all administrative and judicial remedies.  Six
months prior to due dates for affidavits of use, or applications for renewal of
registrations, Debtor shall notify the Bank that such affidavits or applications
are being processed.

     (e)  If Debtor hereafter becomes the owner of any Mark, then within 30 days
of becoming the owner of such Mark, or as soon thereafter as reasonable, Debtor
shall deliver to the Bank a certificate of registration or copy of the
application, and a grant of security in such Mark in favor of the Bank,
confirming the grant thereof hereunder.  If Debtor hereafter secures a license
under any Mark, then within 30 days of execution of the license agreement,
Debtor shall deliver to the Bank a copy of the certificate of registration or of
the application, and a grant of security in Debtor's rights under such
agreement, confirming the grant thereof hereunder.  The form of any confirmatory
grants shall be in a form satisfactory to the Bank.

     (f)  If an Event of Default shall occur and be continuing, the Bank may by
written notice to Debtor take any or all of the following actions: (a) declare
Debtor's entire right, title, and interest in any Marks under which Debtor has
an interest to be vested, in which event such right, title, and interest shall
immediately vest in the Bank, and Debtor shall execute an assignment, in form
and substance satisfactory to the Bank, of all its rights, title, and interest
under such Marks to the Bank; (b) take and use or sell Debtor's rights in said
Marks, along with the goodwill, assets secured under this agreement, and all
other elements of Debtor's ongoing business symbolized by the Marks and secured
under this Assignment, and the right to carry on the business of the Debtor in
connection with which these Marks have been used; and (c) direct Debtor to
refrain, in which event Debtor shall refrain, from using the Marks in any
manner, directly or indirectly, and if requested by the Bank, Debtor shall
change its corporate name to eliminate therefrom any use of any Mark, and
execute any other and further documents which the Bank may request further to
confirm the foregoing and to transfer to the Bank ownership of Debtor's rights
to such Marks.

     XVIII. Additional Provisions Concerning Patents. (a) Debtor represents and
            ----------------------------------------
warrants that it is the true and lawful, exclusive owner of the Patents listed
on Exhibit F attached hereto, and that said Patents constitute all Patents which
Debtor now owns.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any rights under any Patents material to its business, whether or not
Debtor currently holds such rights.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent information available to it regarding any infringement
or other violation of any of Debtor's rights under any Patent material to the
business of the Debtor, whether or not Debtor currently has such rights.  Absent
the Bank's authorization to do otherwise, and to the extent permitted by law,
Debtor shall diligently pursue a remedy.  Promptly upon learning thereof, Debtor
shall notify the Bank in writing of any claim that any activity of Debtor
infringes or otherwise violates the right of any third party with respect to the
Patent.

                                     -53-
<PAGE>
 
     (d)  At its own expense, Debtor shall cause to be timely paid all post-
issuance fees required in order to maintain in force rights under the Patents
material to the business of Debtor, pursuant to 35 U.S.C. (S) 6.

     (e)  If Debtor hereafter acquires rights in any Patent not shown in Exhibit
F, Debtor shall deliver to the Bank within 30 days, a copy of the Patent, and a
grant of security on such Patent in favor of the Bank confirming the grant
thereof hereunder, the form of such confirmatory grant to be substantially in
the form in Schedule F hereto.
            ----------        

     (f)  If an Event of Default shall occur and be continuing, the Bank by
written notice to Debtor may take any or all of the following actions:  (a)
declare the entire right, title, and interest of Debtor in each of the Patents
vested, in which event such right, title, and interest shall immediately vest in
the Bank, in which case Debtor agrees to execute an assignment, in form and
substance satisfactory to the Bank, of all its rights, title, and interest in
and to such Patent rights to the Bank; (b) take and practice or sell the Patent
rights; and (c) directly or indirectly, will execute such other and further
documents as the Bank may request further to confirm the foregoing and to
transfer ownership of the Patent rights.

     XIX    Additional Provisions Concerning Remedies and Sale of Collateral.
            ----------------------------------------------------------------  
(a)  In addition to any rights and remedies contained herein or now or hereafter
granted under applicable law and not by way of limitation of any such rights and
remedies, upon the occurrence of an Event of Default which shall be continuing,
the Bank shall have all of the rights and remedies of a secured party under the
UCC.  The Bank may take legal proceedings for the appointment of a receiver or
receivers (to which the Bank shall be entitled as a matter of right) to take
possession of the Collateral pending the sale thereof pursuant either to the
powers of sale granted by this Agreement or to a judgment, order or decree made
in any judicial proceeding for the foreclosure or involving the enforcement of
this Agreement.

     (b)  Upon the occurrence of any Event of Default which shall be continuing,
the Bank shall have the right to seize and take possession of any Collateral
(and any paper, documents, correspondence, computer files, disks, tapes and
programs and other electronic data processing software relating to the
Collateral), and may enter the premises where they, or any of them, are located
for the purpose of effecting such seizure.  The Bank shall not be liable to the
Debtor for any damage suffered by the Debtor by reason thereof and the Debtor
shall indemnify the Bank for any liability which may accrue to any person by
reason of such entry or seizure, except for liability arising out of the gross
negligence or willful misconduct of the Bank.  At any time or from time to time
after the occurrence of an Event of Default which shall be continuing the Bank
may hire and maintain on any of the premises of the Debtor a custodian or
independent contractor selected by the Bank who shall have full authority to do
all lawful acts necessary to protect the interests of the Bank and to report to
the Bank thereon.  The Debtor hereby agrees to cooperate with any such person
and to do whatever the Bank may reasonably request to preserve the Collateral of
the Debtor.  All expenses incurred by the Bank by reason of the employment of
any such persons shall be a part of the Obligations.

     (c)  Upon the occurrence of an Event of Default which shall be continuing
the Bank may, without obligation to resort to other security, at any time and
from time to time, sell, re-sell, assign and deliver all or any of the
Collateral, in one or more parcels at the same or different times, and all
right, title and interest, claim and demand therein and right of redemption
thereof, at public or private sale, for cash, upon credit or for future
delivery, and at such price or prices 

                                     -54-
<PAGE>
 
and on such terms as the Bank may determine, with the amounts realized from any
such sale to be applied in the manner provided in Section 9 hereof. The Debtor
hereby agrees that all of the foregoing may be effected without demand,
advertisement or notice (except as required by law or as expressly provided
herein), all of which (to the extent permitted by law) are hereby expressly
waived. Upon any sale of any of the Collateral, whether made under the power of
sale hereby given or under judgment, order or decree in any judicial proceeding
for the foreclosure involving the enforcement of this Agreement, (i) the Bank
may bid for the property being sold, and upon compliance with the terms of sale
may hold, retain and possess and dispose of such property in its own absolute
right without further accountability, and may, in paying the purchase money
therefor, discharge a portion of the Obligations owing to the Bank in an amount
equal to such purchase price in lieu of cash in payment of the amount which
shall be payable thereon; (ii) the Bank may make and deliver to the purchaser or
purchasers a good and sufficient deed, bill of sale and instrument of assignment
and transfer of the property sold; (iii) the Bank is hereby irrevocably
appointed the true and lawful attorney-in-fact of the Debtor in its name and
stead, to make all necessary deeds, bills of sale and instruments of assignment
and transfer of the property thus sold and for such other purposes as are
necessary or desirable to effectuate the provisions of this Agreement, and for
that purpose the Bank may execute and deliver all necessary deeds, bills of sale
and instruments of assignment and transfer, and may substitute one or more
Persons with like power, the Debtor hereby ratifying and confirming all that its
said attorney, or such substitute or substitutes, shall lawfully do by virtue
hereof; but if so requested by the Bank or by any purchaser, the Debtor shall
ratify and confirm any such sale or transfer by executing and delivering to the
Bank or such purchaser all deeds, bills of sale, instruments of assignment and
transfer and releases as may be designated in any such request; (iv) all right,
title, interest, claim and demand whatsoever, either at law or in equity or
otherwise, of the Debtor of, in and to the property so sold shall be divested
and such sale shall be a perpetual bar both at law and in equity against the
Debtor, its successors and assigns, and against any and all Persons claiming or
who may claim the property sold or any part thereof from, through or under the
Debtor, its successors or assigns; (v) the receipt of the Bank or of the officer
thereof making such sale shall be a sufficient discharge to the purchaser or
purchasers at such sale for his or their purchase money, and such purchaser or
purchasers, and his, its or their assigns or personal representatives, shall
not, after paying such purchase money and receiving such receipt of the Bank or
of such officers thereof, be obligated to see to the application of such
purchase money or be in anywise answerable for any loss, misapplication or non-
application, thereof.

     (d)  To the extent that it may lawfully do so, the Debtor agrees that it
will not at any time insist upon, or plead, or in any manner whatsoever claim or
take the benefit or advantage of, any appraisement, valuation, stay, extension
or redemption laws, or any law permitting it to direct the order in which the
Collateral or any part thereof shall be sold, now or at any time hereafter in
force, which may delay, prevent or otherwise affect the performance or
enforcement of this Agreement or the Obligations, and the Debtor hereby
expressly waives all benefit or advantage of any such laws and covenants that it
will not hinder, delay or impede the execution of any power granted or delegated
to the Bank in this Agreement, but will suffer and permit the execution of every
such power as though no such laws were in force.  In the event of any sale of
Collateral pursuant to this Agreement by the Bank, the Bank shall, at least ten
(10) days before such sale, give the Debtor written, telegraphic or telex notice
of its intention to sell, except that, if the Bank shall determine in its sole
discretion that any of the Collateral is perishable or threatens to decline
speedily in value, any such sale may be made upon one (1) day's written,
telegraphic, telecopy or telex notice to the Debtor.

                                     -55-
<PAGE>
 
     (e)  The Debtor agrees that at any time during the occurrence of any Event
of Default, which shall be continuing, thereof, any of the moneys, deposit
balances and other property of the Debtor held by, or coming into the possession
of, the Bank may be applied (including, without limitation, by way of set-off)
by the Bank to the reduction of the Obligations to the Bank.

     XX.    Application of Moneys; Reassignment of Collateral.  Except as
            -------------------------------------------------            
otherwise provided herein, all moneys which the Bank shall receive pursuant to
this Agreement or with respect to the Collateral shall be applied in the
following manner: first, to the payment of all costs and expenses incurred in
                  -----                                                      
connection with the administration and enforcement of, or the preservation of
any rights under, this Agreement and the realization on such Collateral
(including, without limitation, the fees and disbursements of the Bank's counsel
and agents); and, second, to the payment of all other Obligations in such order
                  ------                                                       
and manner as the Bank shall determine.  The balance, if any, of such moneys
shall be paid over to the Debtor or as otherwise required by law or as directed
by a court of competent jurisdiction.  Upon the payment in full of the
Obligations and the termination of the Bank's obligation to make Loans under the
Credit Agreement, all Collateral of the Debtor not sold or otherwise disposed of
pursuant hereto shall, at the request of the Debtor and at the sole cost and
expense of the Debtor, be reassigned by the Bank to the Debtor (or as otherwise
directed by a court of competent jurisdiction) without recourse and without any
representations, warranties or agreements of any kind (other than a
representation that the Bank has not assigned or transferred the Collateral so
reassigned or its security interests therein, except as contemplated hereby or
by the Credit Agreement).  The Debtor shall remain liable to the Bank for any
deficiency remaining on the Obligations owing to the Bank after the aforesaid
application of such moneys to the Obligations.

     XXI.   Exercise of Rights.  The Bank shall have the right in its sole
            ------------------                                            
discretion to determine which rights, security, liens, guarantees, security
interests or remedies it shall retain, pursue, release, subordinate, modify or
take any other action with respect thereto, without in any way modifying or
affecting any of the other of them or any of the Bank's rights hereunder.

     XXII.  Waivers, Amendments, Required Notices.  The Debtor hereby waives
            -------------------------------------                           
notice of acceptance of this Agreement, notice of nonpayment of any Obligations
or of any Receivables or of any instrument relating thereto, demand,
presentment, protest and notice thereof with respect to any and all instruments,
notice of Collateral received or delivered, or any other action taken in
reliance hereon and all other demands and notices of any description, except
such as are expressly provided for herein or which by applicable law may not be
waived on the date hereof. No failure on the part of the Bank to exercise, and
no delay in exercising, any right, power or remedy hereunder shall operate as a
waiver thereof or as a waiver of any Event of Default, nor shall any single or
partial exercise by the Bank of any right, power or remedy hereunder or with
respect to the Obligations preclude any other or further exercise thereof or the
exercise of any other right, power or remedy.  No amendment or modification of
this Agreement nor any waiver of any provision of this Agreement or consent to
any departure by the Debtor therefrom shall in any event be effective unless the
same shall be in writing and signed by the Bank, and then any such waiver or
consent shall be effective only in the specific instance and for the purpose for
which given.  No notice to or demand on the Debtor in any case shall, of itself,
entitle the Debtor to any other or further notice or demand in similar or other
circumstances.  If notice, whether before or after any default by the Debtor
hereunder has occurred, is required by law or by the provisions of this
Agreement to be given by the Bank to the Debtor, the Debtor agrees that five (5)
Business Days' notice given in the manner provided below shall be reasonable
notice.

                                     -56-
<PAGE>
 
     XXIII. Cumulative Remedies.  This Agreement and the liens and security
            ------------------                                            
interests of the Debtor granted hereunder are in addition to and not in
substitution for any security interests and collateral now or hereafter held by
or on behalf of the Bank to secure the Obligations of the Borrowers and shall
not affect the rights, remedies or powers of the Bank in respect of any
Obligation held by the Bank.  The remedies herein provided are cumulative and
are not exclusive of any remedy provided by law.

     XXIV.  Notices. (a) Any notice, demand or communication hereunder shall
            -------
be given in writing (including facsimile transmission or telex) and mailed or
delivered to each party at its address set forth in the Credit Agreement, or, as
to each party, at such other address as shall be designated by such party by a
prior notice to the other parties in accordance with the terms of this Section
15. (b) All notices hereunder shall be effective (i) five (5) Business Days
after such notice is mailed, by registered or certified mail, postage prepaid
(return receipt requested), (ii) upon delivery by hand, and (iii) in the case of
any notice or communication by telex, facsimile transmission or cable, on the
date when sent, and answerback or confirmation, as the case may be, is received.

     XXV.   Costs and Expenses. (a) The Debtor hereby agrees to pay on demand
            ------------------
all reasonable out-of-pocket costs and expenses (including without limitation
the reasonable fees and disbursements of counsel for the Bank) incurred by the
Bank in connection with (i) the preparation and administration of this
Agreement, (ii) the enforcement of this Agreement and the security interests
granted hereunder, (iii) any filings or recordings with respect to the security
interests granted hereunder (including all filing and recording fees, stamp
taxes, recording taxes and intangible property taxes), (iv) the receipt of
proceeds of the Receivables hereunder, (v) the care and preservation of the
Collateral, and (vi) the preparation of any requested amendments to this
Agreement or waivers or consents in connection herewith. Any such expenses so
incurred by the Bank shall be secured hereby and be a part of the Obligations.

     (b)  If any Lien or tax shall be claimed with respect to the Collateral
which in the opinion of the Bank may possibly create a valid obligation having
priority over the security interest granted to any of them herein, the Bank may
(but shall have no obligation to) in its reasonable discretion and without
notice to the Debtor pay such taxes or the amount secured by such lien and the
amount of such payment shall be charged to the Debtor's account and added to the
Obligations secured hereby; provided, however, that the Bank shall not make such
                            --------  -------                                   
payment with respect to any Lien or tax being contested in good faith by the
Debtor by appropriate proceedings if (i) such proceedings shall suspend the
enforcement of such Lien or collection of such tax, (ii) no part of the Debtor's
rights in and under the Collateral shall be subject to sale, forfeiture or
diminution, and (iii) the Debtor shall have furnished such security as may be
required in the proceedings or reasonably requested by the Bank.

     (c)  Upon any failure by the Debtor to perform any of its duties and
obligations hereunder, the Bank may, but shall not be obligated to, perform any
or all of such duties, and the Debtor shall pay to the Bank, forthwith upon
written demand therefor, an amount equal to the cash or out-of-pocket expense
incurred by the Bank in so doing plus interest thereon from the date such
expense is incurred until it is paid at a rate equal to the highest rate of
interest payable by the Borrower from time to time on the Obligations of the
Borrower under the Credit Agreement and the Notes issued thereunder.

                                     -57-
<PAGE>
 
      XXVI. Successors and Assigns, Governing Law, Survival.  This Agreement
            -----------------------------------------------                 
shall be governed by, and construed in accordance with, the laws of the State of
New York, shall inure to the benefit of and shall be binding upon the Bank and
the Debtor and their respective successors and assigns and shall continue in
full force and effect so long as the Credit Agreement remains in effect and
until all of the Obligations have been satisfied in full.  The Debtor may not
assign its rights or obligations hereunder or the Collateral or any portion
thereof without the prior written consent of the Bank.  All covenants,
agreements, representations and warranties made herein shall survive the
execution and delivery of this Agreement and shall continue in full force and
effect until all of the Loans and all other Obligations of each Borrower under
the Credit Agreement, the Notes and any Loan Document have been paid in full and
the Commitments have been terminated.

      XXVII.  Severability.  If any part of this Agreement is contrary to,
              ------------                                                
prohibited by or deemed invalid under any applicable law of any jurisdiction,
such provision shall, as to such jurisdiction, be inapplicable and deemed
omitted to the extent so contrary, prohibited or invalid, without invalidating
the remainder hereof or affecting the validity or enforceability of such
provision in any other jurisdiction.

      XXVIII. No Assumption of Duties; Limitation on Liabilities.  (a)  Nothing
              --------------------------------------------------               
herein contained shall be construed to constitute the Bank as the Debtor's agent
for any purpose whatsoever except for the limited purposes of receiving proceeds
of the Collateral as provided above.  The Bank does not assume, by anything
contained herein or in any assignment or otherwise, the Debtor's obligations
under any Receivable or other Collateral or any contract or agreement relating
thereto, and the Bank shall not be responsible in any way for the Debtor's
performance of any of the terms and conditions thereof.

     (b)  Neither the Bank nor any of its directors, officers, agents or
employees shall be liable to any Person for any action taken or omitted by the
Bank or any of its officers, directors, employees or agents hereunder or with
respect to any transaction contemplated by this Agreement, except for the Bank's
or such officers', directors', employees' or agents' gross negligence or 
willful misconduct. Without limiting the generality of the foregoing, the Bank
shall not be responsible or liable for any shortage, discrepancy, damage, loss
or destruction of any part of the Collateral wherever the same may be located
and regardless of the cause thereof unless due to the Bank's gross negligence or
willful misconduct. The Bank shall not, under any circumstances except for its
gross negligence or willful misconduct, have any liability for any error or
omission or delay of any kind occurring in the settlement, collection or payment
of any of the Receivables or any instrument received in payment thereof or for
any damage resulting therefrom.

     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed and delivered by their duly authorized officers as of the date first
above written.

Address:                                         
- -------                                  THT INC.
33 Riverside Avenue                                                             
5th Floor                                By:      /s/ Frederick A. Rossetti   
                                            ------------------------------------
Westport, Connecticut                       Name:   Frederick A. Rossetti       
Fax No.:  (203) 226-8032                    Title:   President            
Attn.:  Frederick A. Rossetti
 
                                     -58-
<PAGE>
 
Address:                                           
- -------
1133 Avenue of the Americas                  FLEET BANK N.A.     
New York, New York 10036                     By:     /s/ John M. Tuohy 
                                                --------------------------------
Fax No.:  (212) 907-5162                        Name:   John M. Tuohy     
Attn.:  John M. Tuohy                           Title:   Vice President     
 
                                     -59-
<PAGE>
 
                                                                      SCHEDULE A
                                                                      ----------
                                                           to Security Agreement

                             Location of Inventory
                             ---------------------

                                     None.



                             Location of Equipment
                             ---------------------

                                     None.


Remote Warehouse Locations:
- ---------------------------


Jackburn Mfg., Inc.
Girard Area Industrial Development
227 Hathaway Street E.
Girard, PA 16417

                                     -60-
<PAGE>
 
                                                                      SCHEDULE B
                                                                      ----------
                                                           to Security Agreement

                                Permitted Liens
                                ---------------

<TABLE>
<CAPTION>
               DEBTOR    SECURED                            DESCRIPTION    PERMITTED
JURISDICTION    NAME    PARTY(IES)   NUMBER   DATE FILED   OF COLLATERAL    FILING
- ------------    ----    ----------   ------   ----------   -------------    ------ 
<S>            <C>      <C>          <C>      <C>          <C>             <C>
                          None.
</TABLE>
<PAGE>
 
                                                                      SCHEDULE C
                                                                      ----------
                                                           to Security Agreement

                          Locations at Which Records
                     Regarding Receivables are Maintained
                     ------------------------------------

THT Inc.
- --------

33 Riverside Avenue, 5th Floor
Westport, CT  06880
<PAGE>
 
                                                                      SCHEDULE D
                                                                      ----------
                                                           to Security Agreement


                    Trademarks, Service Marks and Copyrights
                            (including applications)
                            ------------------------



OWNER          MARK                REG. NO.                 REG. DATE
- -----          ----                --------                 ---------

                                     None.
<PAGE>
 
                                                                      SCHEDULE E
                                                                      ----------
                                                           to Security Agreement



                            [INTENTIONALLY OMITTED]
<PAGE>
 
                                                                      SCHEDULE F
                                                                      ----------
                                                           to Security Agreement


                                    Patents
                                    -------

                                     None.
<PAGE>
 
                                                                     EXHIBIT A-1
                                                                     -----------

                               BORROWING NOTICE
                                  (Term Loan)

                                                                          [DATE]

Fleet Bank N.A.
1133 Avenue of the Americas
New York, New York 10036
Attention:  Mr. John M. Tuohy

Ladies and Gentlemen:

          The undersigned, THT Inc., Setterstix Corporation and Jackburn Mfg.,
Inc. (each being a "Borrower" and, collectively, the "Borrowers"), refer to the
                    --------                          ---------                
Credit Agreement dated as of March ___, 1997, as the same may have been amended,
supplemented or otherwise modified from time to time (the "Credit Agreement,"
                                                           ----------------  
the terms defined therein being used herein as therein defined), among the
Borrowers and Fleet Bank N.A.  The Borrowers hereby irrevocably notify you that
they wish to borrow on the Borrowing Date specified below the sum of $2,000,000
under the Term Loan Commitment provided in the Credit Agreement, and in that
connection set forth the terms on which such Term Loan is requested to be made:

                              (A)                      Borrowing Date/*/   
                                                                 ---------------

                              (B)  Interest Rate type (specify Base Rate Loan 
or Eurodollar Loan)                                              ---------------

(C)Interest Period with respect to any Eurodollar Loan (specify one, two, three 
or six months) and the date of the last day of such Interest Period./**/
                                                                      mo(s).
                                                                 --------------
                                                                           m/d/y

          The Borrowers hereby represent and warrant that the following
statements are true on the date hereof and will be true on the Borrowing Date
and after giving effect to the Term Loan:

     (a)  no Default under the Credit Agreement has occurred and is continuing
     or would result from the making of the Term Loan requested hereunder or
     from the application of the proceeds thereof; and

     (b)  the representations and warranties contained in Sections 5.1, 5.2 and
     5.3 of the Credit Agreement are and shall be true

____________________
*    This date must be at least one Business Day after the Date of this Notice
     for Base Rate Loans, and at least three Business Days after the Date of
     this Notice for Eurodollar Loans.

**   Shall be subject to the definition of "Interest Period" (See Article I and
                                                              ---              
     Section 2.6 of the credit Agreement) and shall not end later than the
     Maturity Date.
<PAGE>
 
     and correct in all material respects as of such Borrowing Date (except for
     any such representations and warranties which by their terms expressly
     relate to the date of the Credit Agreement only).

[Instructions, if any, for deposit of the proceeds of the Loan.]/***/


                                                  Very truly yours,

                                                  THT INC.


                                                  By:

                                                  Name:

                                                  Title:


                                                  SETTERSTIX CORPORATION


                                        By:

                                                   Name:

                                                   Title:


____________________
***  Loan proceeds will be divided into equal amounts and deposited in each
     Borrower's demand deposit account at the Bank's Office unless otherwise
     directed by the Borrowers.
<PAGE>
 
                                                  JACKBURN MFG., INC.


                                                  By:

                                                  Name:

                                                  Title:
<PAGE>
 
                                                                     EXHIBIT A-2
                                                                     -----------

                                BORROWING NOTICE
                            (Revolving Credit Loan)



                                                                          [DATE]



Fleet Bank N.A.
1133 Avenue of the Americas
New York, New York 10036
Attention:  Mr. John M. Tuohy

Ladies and Gentlemen:

          The undersigned (the "Borrower") or one Borrower, refer(s) to the
                                --------                                   
Credit Agreement dated as of March ___, 1997, as the same may have been amended
from time to time (the "Credit Agreement," the terms defined therein being used
                        ----------------                                       
herein as therein defined), among the Borrowers and Fleet Bank N.A.  The
undersigned hereby irrevocably request(s) a Revolving Credit Loan under the
Credit Agreement on the Borrowing Date specified below, and in that connection
set(s) forth the terms on which such Revolving Credit Loan is requested to be
made:

                                   (A)Borrowing Date/*/               __________

                                   (B)Principal Amount/**/            __________

                                   (C)Interest Rate Type (specify Base Rate Loan
or Eurodollar Loan)                                                   __________

(D)Interest Period with respect to any Eurodollar Loan specify one, two, three
     of six months) and the last day of such Interest Period/***/     mo(s).
                                                                   -------------
                                                                           m/d/y

____________________
*    This date must be at least one Business Day after the Date of this Notice
     for Base Rate Loans, and at least three Business Days after the Date of
     this Notice for Eurodollar Loans.

**   This amount may not be less than $100,000 and must be in an integral
     multiple of $100,000 (unless equal to the entire Unused Revolving Loan
     Commitment) but not greater than the total Revolving Loan Commitment
     available on the Borrowing Date.

***  This date is subject to the definition of "Interest Period" in the Credit
     Agreement and shall not end later than the Revolving Credit Expiration
     Date.
<PAGE>
 
          The Borrowers hereby represent and warrant that the following
statements are true on the date hereof and will be true on the Borrowing Date
and after giving effect to the Revolving Credit Loan requested hereunder:

     (a)  no Default under the Credit Agreement has occurred and is continuing
     or would result from the making of the Revolving Credit Loan requested
     hereunder or from the application of the proceeds thereof; and

     (b)  the representations and warranties contained in Sections 5.1, 5.2 and
     5.3 of the Credit Agreement are and shall be true and correct in all
     material respects as of such Borrowing Date (except for any such
     representations and warranties which by their terms expressly relate to the
     date of the Credit Agreement only).

[Instructions, if any, for deposit of the proceeds of the Loan]

                                                Very truly yours,

                                                [NAME OF BORROWER AS IT APPEARS
                                                ON CERTIFICATE OF INCORPORATION]


                                                By:

                                                Name:

                                                Title:
<PAGE>
 
                                                                     EXHIBIT A-3
                                                                     -----------

                                INTEREST NOTICE


                                                                          [DATE]


Fleet Bank N.A.
1133 Avenue of the Americas
New York, New York 10036
Attn.:  Mr. John M. Tuohy

Ladies and Gentlemen:

          The undersigned (the "Borrower" or, collectively, if more than one,
                                --------                                     
the "Borrowers"), refer(s) to the Credit Agreement dated as of March ___, 1997,
     ---------                                                                 
as the same may have been amended, supplemented or otherwise modified from time
to time (the "Credit Agreement", the terms defined therein being used herein as
              ----------------                                                 
therein defined), among the Borrowers and Fleet Bank N.A.  The undersigned
hereby irrevocably notify you that they elect to convert the Loan(s) specified
below pursuant to Section 2.6 of the Credit Agreement, and in that connection
set(s) forth the terms to which such Loan(s) is (are) are to be converted:

============================================================================== 
(A)  1.   Initial Borrowing Date of Loan       1.
 
     2.   Current type of Loan (circle one)    2.  Base Rate Loan/Eurodollar 
                                                   Loan
     3.   Total principal amount of Loan
          outstanding                          3.
- ------------------------------------------------------------------------------ 
<PAGE>
 
- ------------------------------------------------------------------------------
(B)  1.   Amount of Loan to be converted/1/    1.
 
     2.   Type of Loan (circle one)            2.  Base Rate Loan/Eurodollar 
                                                   Loan

     3.   Interest Period (if Eurodollar Loan; 3.      mo(s)
          specify one, two, three or six               ----
          months) and last day of such Interest                         m/d/y
          Period./2/

     4.   Effective Date of this election./3/   4.
- ------------------------------------------------------------------------------ 

                                          Very truly yours,                  
                                                                             
                                          /4/[THT INC.                       
                                                                             
                                                                             
                                          By:                                
                                            Name:                            
                                            Title:                         ]  


                                          Very truly yours,                  
                                                                             
                                          [SETTERSTIX CORPORATION         
                                                                             
                                                                             
                                          By:                                
                                            Name:                            
                                            Title:                         ]  

______________________                                                       
/1/  If different portions of the Loan are to be converted to different loan
     types or Interest Periods, this part (B) should be repeated for each
     portion of the Loan. Each Loan or portion thereof which is to be a
     Eurodollar Loan must be in an aggregate principal amount of at least
     $100,000 or integral multiples thereof.

/2/  The Borrowers may not have more than four Interest Periods in effect at any
     one time. If no Interest Period is specified, the Borrowers will be deemed
     to have selected an Interest Period of one month's duration.

/3/  This date must be at least two Business Days after the Date of this Notice
     for Base Rate Loans, and at least three Business Days after the Date of
     this Notice for Eurodollar Loans.

/4/  One, two or all three Borrowers may submit an Interest Notice for a Loan.
<PAGE>
 
                         [JACKBURN MFG., INC.]


                         By:
                           Name:
                           Title:                           ]
<PAGE>
 
                                                                     Exhibit B-1
                                                                     -----------


                                PROMISSORY NOTE
                                  (Term Loan)

$2,000,000                                              [Initial Borrowing Date]


          FOR VALUE RECEIVED, the undersigned, THT Inc., Setterstix Corporation
and Jackburn Mfg., Inc. (each being a "Borrower" and, collectively, the
                                       --------                        
"Borrowers"), hereby promise, jointly and severally, to pay to the order of
- ----------                                                                 
FLEET BANK N.A. (the "Bank"), in lawful money of the United States of America,
                      ----                                                    
the principal sum of TWO MILLION DOLLARS ($2,000,000) as follows: (i) twenty
(20) consecutive equal quarterly installments on the last Business Day (as such
term is defined in the Credit Agreement referred to below) of each quarter,
commencing on June 30, 1997, each such installment to be in an amount equal to
$100,000, and (ii) a final installment of principal on March 31, 2002, in an
amount equal to the then outstanding principal amount of this Note.

          This Note shall bear interest from the date hereof on the unpaid
principal balance hereof at the rates, and payable on the dates, specified in
the Credit Agreement referred to below.

          Payments of both principal and interest on this Note shall be made in
immediately available funds at the office of the Bank at 1133 Avenue of the
Americas, New York, New York, or at such other place as the holder of this Note
shall designate by a notice in writing to the Borrower.

          If any amount hereunder is payable on a day that is not a Business
Day, the due date thereof shall be extended to the immediately succeeding
Business Day and interest thereon shall accrue during the period of such
extension at the rate provided in the Credit Agreement.

          This Note is the Term Note referred to in the Credit Agreement dated
as of March ___, 1997 (said Credit Agreement, as amended, supplemented or
modified  from time to time, herein called the "Credit Agreement") among the
                                                ----------------            
Borrowers and the Bank and evidences the Term Loan outstanding under the Credit
Agreement made by the Bank to the Borrowers. This Note is subject to
acceleration in accordance with the provisions of the Credit Agreement and is
secured by the Security Documents and the Collateral referred to in the Credit
Agreement. The Borrowers may prepay or may be required to prepay all or any part
of the principal of this Note before maturity upon the terms provided in the
Credit Agreement. Capitalized terms used in this Note and not defined herein
have the respective meanings assigned to them in the Credit Agreement.

          This Note shall be governed by and construed in accordance with the
laws of the State of New York.


                           Very truly yours,

                           THT INC.
<PAGE>
 
                           By:
                                    Name:
                                    Title:


                           SETTERSTIX CORPORATION



                           By:
                                    Name:
                                    Title:


                           JACKBURN MFG., INC.



                           By:
                                    Name:
                                    Title:
<PAGE>
 
                                                                     Exhibit B-2
                                                                     -----------


                                PROMISSORY NOTE
                            (Revolving Credit Loans)

$2,000,000                                              [Initial Borrowing Date]


          FOR VALUE RECEIVED, the undersigned, THT Inc., Setterstix Corporation
and Jackburn Mfg., Inc. (each being a "Borrower" and, collectively, the
                                       --------                        
"Borrowers"), hereby promise, jointly and severally, to pay to the order of
- ----------                                                                 
FLEET BANK N.A. (the "Bank"), on the Revolving Credit Expiration Date, (as such
                      ----           --------------------------------          
term is defined in the Credit Agreement referred to below) at the office of the
Bank at 1133 Avenue of the Americas, New York, New York (or at such other place
as the holder of this Note shall designate by a notice in writing to the
Borrowers), the principal sum of TWO MILLION DOLLARS ($2,000,000), or such
lesser amount as shall equal the aggregate unpaid principal amount of the
Revolving Credit Loans made by the Bank to the Borrowers pursuant to the Credit
Agreement, in lawful money of the United States of America and in immediately
available funds, and to pay interest on the unpaid principal balance hereof from
time to time outstanding at the aforesaid office or place and at the rates and
on the dates specified in the Credit Agreement.

          The Bank is hereby authorized by the Borrowers to endorse on the
schedule attached to this Note (or any continuation thereof) the amount of each
Revolving Credit Loan made by the Bank to the Borrowers pursuant to the Credit
Agreement, the date such Revolving Credit Loan is made and the amount of each
payment or prepayment of the principal of such Revolving Credit Loan received by
the Bank, provided that any failure by the Bank to make any such endorsement
shall not affect the obligations of the Borrowers hereunder or under the Credit
Agreement in respect of such Revolving Credit Loan. Each such endorsement by the
Bank shall constitute conclusive evidence of the accuracy thereof, absent
manifest error.

          If any amount hereunder is payable on a day that is not a Business
Day, the due date thereof shall be extended to the immediately succeeding
Business Day and interest thereon shall accrue during the period of such
extension at the rate provided in the Credit Agreement.

          This Note is the Revolving Credit Note referred to in the Credit
Agreement dated as of March __, 1997 (said Credit Agreement, as amended,
supplemented or modified from time to time, herein called the "Credit
                                                               ------
Agreement") among the Borrowers and the Bank and evidences Revolving Credit
- ---------
Loans outstanding under the Credit Agreement made by the Bank to the Borrowers.
This Note is subject to acceleration in accordance with the provisions of the
Credit Agreement and is secured by the Security Documents and the Collateral
referred to in the Credit Agreement. The Borrowers may prepay or may be required
to prepay all or any part of the principal of this Note before maturity upon the
terms provided in the Credit Agreement. Capitalized terms used in this Note and
not defined herein have the respective meanings assigned to them in the Credit
Agreement.

          This Note shall be governed by and construed in accordance with the
laws of the State of New York.
<PAGE>
 
                                    Very truly yours,

                                    THT INC.



                                    By:
                                       Name:
                                       Title:


                                    SETTERSTIX CORPORATION



                                    By:
                                       Name:
                                       Title:


                                    JACKBURN MFG., INC.



                                    By:
                                       Name:
                                       Title:
<PAGE>
 
                                  Schedule to
                             Promissory Note dated
                          _________, 1997 of THT Inc.,
                Setterstix Corporation, and Jackburn Mfg., Inc.
                        (collectively, the "Borrowers")
                                            ---------  


          This Note evidences Revolving Credit Loans made to the Borrowers under
the within-described Credit Agreement, in the principal amounts and on the dates
set forth below, and the repayments or prepayments of the principal of said
Revolving Credit Loans.

<TABLE>
<CAPTION>
 
             Principal     Principal    
Date of      Amount of     Amount Paid  Balance       Notation 
Loan         Loan          or Prepaid   Outstanding   Made By  
- -------      ----------    -----------  ------------  -------  
<S>          <C>           <C>          <C>           <C>
 
________     __________    ___________  ____________  _____________   
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
 
________     __________    ___________  ____________  _____________    
</TABLE> 
<PAGE>
 
                                                                       Exhibit C
                                                                       ---------

                               EXTENSION REQUEST
                      (Revolving Credit Commitment Period)

                                                                       [DATE]/*/

Fleet Bank N.A.
1133 Avenue of the Americas
New York, New York 10036
Attention:  Mr. John M. Tuohy

Ladies and Gentlemen:

          The undersigned, THT Inc., Setterstix Corporation and Jackburn Mfg.,
Inc. (each being a "Borrower" and, collectively, the "Borrowers"), refer to the
                    --------                          ---------                
Credit Agreement dated as of March ___, 1997, as the same may have been amended,
supplemented or modified from time to time (the "Credit Agreement," the terms
                                                 ----------------            
defined therein being used herein as therein defined), among the Borrowers and
Fleet Bank N.A.  On the date hereof the Revolving Credit Expiration Date under
the Credit Agreement is _____________, 199_/**/,  on which date the Revolving
Credit Commitment Period will end and all Revolving Credit Loans under the
Credit Agreement will be due and payable.  The Borrowers hereby request, in
accordance with Section 2.5(b) of the Credit Agreement, that the Revolving
Credit Commitment Period be extended for an additional 364 days, thereby
extending the Revolving credit Expiration Date to ___________, 199_./***/

          The Borrowers represent and warrant to you that on the date hereof
there exists no Default under the Credit Agreement.

          The Borrowers understand that you may in your sole and absolute
discretion refuse to consent to the extension requested herein and that the
Revolving Credit Commitment Period and Revolving Credit Expiration Date shall
not be extended, and all Revolving Credit Loans shall be due and payable on
________________, 199_,/***/ unless you shall affirmatively


____________________

*    Extension Requests must be delivered to the Bank at least 60 days prior to
     the current Revolving Credit Expiration Date.
**   Insert current Revolving Credit Expiration Date.
***  Insert date which is no later than 364 days after current Revolving Credit
     Expiration Date.
<PAGE>
 
consent in writing to the requested extension.


                                    Very truly yours,

                                    THT INC.



                                    By:
                                       Name:
                                       Title:


                                    SETTERSTIX CORPORATION



                                    By:
                                       Name:
                                       Title:


                                    JACKBURN MFG., INC.



                                    By:
                                       Name:
                                       Title:
<PAGE>
 
                                                                       Exhibit D
                                                                       ---------
                             BORROWING BASE REPORT

           THT Inc., Setterstix Corporation and Jackburn Mfg., Inc.

                           As of ____________, 199__

1.        Eligible Accounts Receivable (all amounts are net of any discounts,
          ----------------------------                                       
          credits, rebates, allowances or set-offs):

Aging:
- -----
  (i)     1-30 days from invoice date                                 $
 (ii)     31-60 days from invoice date                                $
 (ii)     61-90 days from invoice date                                $
 (iv)     91-120 days from invoice date                               $
  (v)     121-150 days from invoice date                              $
 (vi)     151-180 days from invoice date                              $
 (vi)     over 180 days from invoice date                             $

                                                          TOTAL       $


Less:
 
          Accounts receivable subject to Liens other than Liens in    $
 (i)      favor of the Bank or in which Jackburn or Setterstix do
          not have good, marketable and undisputed title
 
(ii)      Accounts receivable not payable in dollars                  $

(ii)      Accounts receivable evidenced by a promissory note or       $
          other negotiable instrument (not including any such note
          or instrument pledged to the Bank)

(iv)      Accounts receivable where the account debtors on such       $
          accounts receivable are not residents or entities
          organized under the laws of the U.S. or Canada, or do
          not maintain an office or branch located in the U.S. or
          Canada, or (if a non-U.S. resident) such account
          receivables not covered by a letter of credit in favor of
          Jackburn or Setterstix issued or confirmed by a U.S.
          bank or U.S. office of a non-U.S. bank duly authorized
          to issue or confirm such letter of credit
<PAGE>
 
 (v)      Accounts receivable of account debtors who are presently    $
          or during the immediately preceding 360 days in default on 
          the payment of any account receivable (except where such 
          non-payment results from a bona fide dispute)
       
(vi)      Accounts receivable of account debtors subject to           $
          bankruptcy or insolvency proceedings or the
          creditworthiness of which is otherwise known to
          Jackburn or Setterstix as risky

(vi)      Accounts receivable not evidenced by an invoice or          $
          dated on or about the date that shipment, delivery or
          performance was made or rendered to the account
          debtor

(vi)      Affiliate accounts receivable                               $


(ix)      Affiliate accounts receivable                               $

 (x)      Accounts receivable more than 75 days past due or           $
          more than 105 days from invoice date

(xi)      Accounts receivable where the account debtors have          $
          been reasonably determined by the Bank in good faith
          to be unacceptable to the Bank

(xi)      Accounts receivable balances from account debtors who       $
          in the aggregate with their Affiliates have accounts
          receivable aggregating more than 25% of any
          Borrower's accounts receivable (list amount which is
          more than 25%)

(xi)      Accounts receivable in excess of $10,000 in the             $
          aggregate from the government of the United States of
          America or any agency or department thereof which do
          not meet all requirements of the Assignment of Claims
          Act

                                                            TOTAL     $

                                     Eligible Accounts Receivable     $
<PAGE>
 
2. Eligible Inventory (all amounts are based on the lower of cost (on a first-in
   ------------------
   first-out basis) or market value):

            Total amount of inventory of Jackburn and Setterstix of     $
            merchantable quality which is held at locations specified
            in Schedule 5.1(p) (or at other locations permitted in
            the Credit Agreement) or which is in transit and in
            which the Bank has a Lien pursuant to a Security
            Agreement, subject to no other liens
 
  Less:
 
    (i)     Inventory not held by Jackburn or Setterstix                $

   (ii)     Inventory not manufactured, sold or consumed by             $
            Jackburn or Setterstix in the ordinary course of business

  (iii)     Maintenance and supplies                                    $

   (iv)     Customized finished inventory held by Jackburn or
            Setterstix for more than 90 days (in the case of such
            inventory for which there are no firm orders) or more
            than 180 days (in the case of such inventory for which
            there are bona fide firm orders from any person
            unaffiliated with Setterstix or Jackburn)                   $
 
    (v)     Excess inventory and not-readily-marketable inventory       $

   (vi)     Inventory which is held by the Borrowers on
            consignment                                                 $
 
                                                             TOTAL      $
 
                                                Eligible Inventory      $
<PAGE>
 
3. Available Revolving Credit Commitment:
   ------------------------------------- 

<TABLE> 
<CAPTION> 
     <S>  <C>                                                     <C>   <C> 
     A.   Total amount of Eligible Accounts Receivable            $

     B.   Percentage of Eligible Accounts Receivable included
          in Borrowing Base                                             80%
 
     C.   Amount of Eligible Accounts Receivable included in
          Borrowing Base (A x B)                                  $
 
     D.   Total amount of Eligible Inventory                      $

     E.   Percentage of Eligible Inventory included in
          Borrowing Base                                                50%
                
     F.   Amount of Eligible Inventory included in Borrowing
          Base (D x E)                                            $
 
     G.   Borrowing Base (C + F)                                  $

     H.   Revolving Credit Commitment                                   $2,000,000

     I.   Outstanding principal amount of Revolving Credit
          Loans                                                   $
 
     J.   Unused Revolving Credit Commitment
          (G or H, whichever is less, minus I)                    $
                                      -----

                    Prepared by:________________

                    Date: ______________________
</TABLE> 
<PAGE>
 
                                                                 Schedule 5.1(b)
                                                                 ---------------

                         Stockholders of Each Borrower
                         -----------------------------

                       (See attached Organization Chart)

THT Inc.
- ------- 

Stock is publicly traded.

Largest shareholders:

PH II          1,811,350 shares        45.5% ownership
Paul K. Kelly    180,000 shares         4.6% ownership



Setterstix Corporation
- ----------------------

THT Holdings Inc.        100% ownership


Jackburn Mfg., Inc.
- ------------------ 

AJH Corp.                52%  ownership
Jackburn Corp.           48%  ownership
<PAGE>
 
                                                                 Schedule 5.1(o)
                                                                 ---------------

                                   Trademark
                                   ---------

OWNER         MARK                 REG. NO.                 REG. DATE
- -----         ----                 --------                 ---------

Setterstix   "Setterstix"          628,830                  6/12/56
Corporation  (See attachment)                               (Renewal Term Begins
                                                             6/12/96)

                                    Patents
                                    -------
 
Setterstix Corporation:
- -------------------------

<TABLE> 
<CAPTION> 
NUMBER                     ISSUED               TITLE
- ------                     ------               -----
<S>                        <C>                  <C> 
4,209,112                  06/24/80             Stick Feeding Apparatus
4,232,811                  11/11/80             Apparatus For Dispensing and Inserting Sticks
4,271,978                  06/09/81             Stick Dispenser
4,298,118                  11/03/81             Stick Separating Apparatus With Improved
                                                Radiation Counter
4,340,151                  07/20/82             Stick Feeding Apparatus
</TABLE> 

                      Foreign Trademarks And Applications
                      -----------------------------------

                                     None.



                       Foreign Patents And Applications
                       --------------------------------

                                     None.



                                   Software
                                   --------

                                     None.
<PAGE>
 
                                                                 Schedule 5.1(p)
                                                                 ---------------


                       Location of Offices and Collateral
                       ----------------------------------


THT Inc.                                   Jackburn Mfg., Inc.               
33 Riverside Avenue, 5th Floor             321 Main Street W.                 
Westport, CT  06880                        Girard, PA 16417                   
                                                                              
Setterstix Corporation                     Remote Warehouse Locations:        
261 South Main Street                      ---------------------------        
Cattaraugus, NY  14719                                                        
                                           Jackburn Mfg., Inc.                
Jackburn Mfg., Inc.                        Girard Area Industrial Development 
438 Church Street                          227 Hathaway Street E.             
Girard, PA  16417                          Girard, PA 16417                   
                                                                              
Jackburn Mfg., Inc.                        Setterstix Corporation             
Girard Tool & Die Division                 4455 Fruitland Avenue              
410 Shenango Street                        Los Angeles, CA  90058             
Girard, PA 16417                                                              
                                           Sub-Lease:                         
                                           ----------                         
                                           Phoenix Oil Refinery, Inc.         
                                           d/b/a Phoenix Corporation          
                                           1040 Cornelia Street               
                                           Nashville, TN 37217                
<PAGE>
 
                                                                 Schedule 5.1(q)
                                                                 ---------------


                          Assumed names; former names
                          ---------------------------



THT Inc.
- ------- 

Texas Hi Tech, Inc. (1983-1986)
THT Lloyd's, Inc.   (1986-1988)
THT Inc.            (1988-date)



Setterstix Corporation
- ----------------------

Setterstix Acqusition Corporation (3/21/90-4/30/90)
(purchased of assets of Setterstix, Inc. on 3/21/90)

Setterstix Corporation (4/30/90-date)



Jackburn Mfg., Inc.
- -------------------

None.
<PAGE>
 
                                                                 Schedule 5.3(a)
                                                                 ---------------



                              Hazardous Materials
                              -------------------


THT Inc.
- ------- 

None.


Setterstix Corporation
- ----------------------

None.


Jackburn Mfg., Inc.
- -------------------

None.
<PAGE>
 
                                                             Schedule 7.2(a)(ii)
                                                             -------------------



                      Existing Permitted Debt of Borrowers
                      ------------------------------------


THT Inc.
- ------- 

None.


Setterstix Corporation
- ----------------------

None.


Jackburn Mfg., Inc.
- -------------------

None.
<PAGE>
 
                                                                 Schedule 7.2(b)
                                                                 ---------------



                     Existing Permitted Liens of Borrowers
                     -------------------------------------

THT Inc.
- ------- 

None.



Setterstix Corporation
- ----------------------

None.



Jackburn Mfg., Inc.
- -------------------

None.
<PAGE>
 
                                                                 Schedule 7.2(e)
                                                                 ---------------



                     Existing Permitted Loans of Borrowers
                     -------------------------------------

THT Inc.
- ------- 

None.


Setterstix Corporation
- ----------------------

None.


Jackburn Mfg., Inc.
- -------------------

None.

<PAGE>
 
EXHIBIT 10.3                  SECURITY AGREEMENT
                           (SETTERSTIX CORPORATION)

          SECURITY AGREEMENT (as amended, supplemented, restated or modified
from time to time, "this Agreement"), dated as of March 27, 1997 between
Setterstix Corporation, a Delaware corporation (the "Debtor"), and Fleet Bank
N.A. (the "Bank").   Except as otherwise defined herein, terms used herein and
defined in the Credit Agreement referred to below, as in effect on the date
hereof, shall have the meaning specified for such terms in the Credit Agreement.

          WHEREAS, the Debtor and the Bank are entering into a Credit Agreement
of even date herewith (as amended, supplemented, restated or modified from time
to time, the "Credit Agreement"), pursuant to which the Bank is agreeing to make
certain Loans to the Borrowers (as defined therein) subject to the terms and
conditions of the Credit Agreement;

          WHEREAS, the execution and delivery of this Agreement and the grant to
the Bank of the security interests contemplated hereby are conditions precedent
to the obligation of the Bank to make Loans to the Borrowers;

          NOW, THEREFORE, in consideration of the premises and to induce the
Bank to execute and deliver the Credit Agreement and to make Loans to the
Borrowers thereunder, the parties hereby agree as follows:

          1.  Security Interest.  As security for the prompt and complete
              -----------------                                          
payment and performance in full of all the Obligations, the Debtor hereby
assigns, pledges and transfers to the Bank and grants to the Bank a security
interest in and lien on all of the Debtor's right, title and interest in, to and
under the following, in each case, whether now owned or existing or hereafter
acquired or arising, and wherever located (all of which being hereinafter
collectively called the "Collateral"):

          (i) all accounts, as such term is defined in Section 9-106 of the UCC.
"UCC" shall mean the Uniform Commercial Code as in effect from time to time in
 ---                                                                          
the State of New York.

         (ii)  all chattel paper, as such term is defined in Section 9-105(b) of
the UCC;

        (iii)  all books, records, computer software, computer printouts,
customer lists, blueprints, technical specifications, manuals, and similar items
which relate to any Collateral other than such items obtained under license or
franchise agreements which prohibit assignment or disclosure of such items;

         (iv)  all equipment, as such term is defined in Section 9-109(2) of the
UCC, including, without limitation, machinery, manufacturing equipment, data
processing equipment, computers, office equipment, furniture, appliances, and
tools, (collectively, the "Equipment");

          (v) all fixtures, as such term is defined in Section 9-313 of the
UCC;

         (vi)  all general intangibles, as such term is defined in Section 9-106
of the UCC, including, without limitation, rights to the payment of money (other
than Receivables), trademarks and service marks (including applications
therefor, except any intent-to-use applications as such 
<PAGE>
 
term is defined in 15 U.S.C. (S) 1060) (collectively, "the Marks"), copyrights,
contracts, licenses, and franchises (except in the case of licenses and
franchises in respect of which the Debtor is the licensee or franchisee if the
agreement in respect of such license or franchise prohibits by its terms any
assignment or grant of a security interest, limited and general partnership
interests and joint venture interests, federal income tax refunds, trade names,
distributions on certificated securities (as defined in Section 8-102(1)(a) of
the UCC and uncertificated securities (as defined in Section 8-102(1)(b) of the
UCC), computer programs and other computer software, inventions, designs, trade
secrets, good will, proprietary rights, customer lists, supplier contracts, sale
orders, correspondence, advertising materials, payments due in connection with
any requisition, confiscation, condemnation, seizure or forfeiture of any
property, reversionary interests in pension and profit sharing plans and
reversionary, beneficial and residual interests in trusts, credits with and any
other claims against any Person, together with any of the collateral for any of
the foregoing and the rights under any security agreement granting a security
interest in such collateral;

         (vi)  all instruments, as such term is defined in Section 9-105(1)(i)
of the UCC;

        (vii)  all insurance policies;

         (ix)  all inventory, as such term is defined in Section 9-109(4) of the
UCC, including without limitation, all goods (whether such goods are in the
possession of the Debtor of a bailee or other Person for sale, lease, storage,
transit, processing, use or otherwise and whether consisting of whole goods,
spare parts, components, supplies, materials or consigned or returned or
repossessed goods) including without limitation, all such goods which are held
for sale or lease or are to be furnished (or which have been furnished) under
any contract of service or which are raw materials or work in progress, or
materials used in or consumed in the Debtor's business (collectively, the
"Inventory");

          (x)  all money, as such term is defined in Section 1-201(24) of the
UCC;

         (xi)  all Receivables, which shall mean all rights to payment for goods
sold or leased or services rendered, whether or not earned by performance and
all rights in respect of the account debtor, including without limitation, all
such rights in which the Debtor has any right, title or interest by reason of
the purchase thereof by the Debtor, and including without limitation all such
rights constituting or evidenced by any account, chattel, paper, instrument,
general intangible, note, contract, invoice, purchase order, draft, acceptance,
intercompany account, security agreement, or other evidence of indebtedness or
security, together with (a) any collateral assigned, hypothecated or held to
secure any of the foregoing and the rights under any security agreement granting
a security interest in such collateral, (b) all goods, the sale of which gave
rise to any of the foregoing, including, without limitation, all rights in any
returned or repossessed goods and unpaid seller's rights, (c) all guarantees,
endorsements and indemnifications on, or of, any of the foregoing, and (d) all
powers of attorney for the execution of any evidence of indebtedness or security
or other writing in connection therewith (collectively, the "Receivables");

        (xii)  all Receivables records, which shall mean (a) all original copies
of all documents, instruments or other writings evidencing the Receivables, (b)
all books, correspondence, credit or other files, records, ledger sheets or
cards, invoices and other papers relating to Receivables, including without
limitation all tapes, cards, computer tapes, computer disks, computer runs,
recordkeeping systems and other papers and documents relating to the
<PAGE>
 
Receivables, whether in the possession or under the control of the Debtor or any
computer bureau or agent from time to time acting for the Debtor or otherwise,
(c) all evidences of the filing of financing statements and the registration of
other instruments in connection therewith and amendments, supplements or other
modifications thereto, notices to other creditors or secured parties, and
certificates, acknowledgements, or other writings including without limitation
lien search reports, from filing or other registration officers, (d) all credit
information, reports and memoranda relating thereto and (e) all other written or
non-written forms of information related in any way to the foregoing or any
Receivable;

       (xiii)  all trademarks, service marks, designs, logos, indicia, trade
names, corporate names, company names, business names, fictitious business
names, trade styles, elements of package or trade dress, and other source and
product or service identifiers, used or associated with or appurtenant to the
products, services and businesses of the Debtor, that (a) are set forth on
Schedule D hereto, or (b) have been adopted, acquired, owned, held or used by
- ----------                                                                   
the Debtor or are now owned, held or used by the Debtor, in the Debtor's
business, or with the Debtor's products and services, or in which the Debtor has
any right, title or interest, or (c) are in the future adopted, acquired, owned,
held and used by the Debtor in the Debtor's business or with the Debtor's
products and services, or in which the Debtor in the future acquires any right,
title or interest.

        (xiv)  all patents and patent applications, whether United States or
foreign, that are owned by the Debtor or in which the Debtor has any right,
title or interest, now or in the future, including but not limited to: (a)  the
patent and patent applications listed on Schedule F hereto; (b) all letters
                                         ----------                        
patent of the United States or any other country, and all applications for
letters patent of the United States or any other country; (c) all re-issues,
continuations, divisions, continuations-in-part, renewals or extensions thereof;
(d) the inventions disclosed or claimed therein, including the right to make,
use, practice and/or sell (or license or otherwise or transfer or dispose of)
the inventions disclosed or claimed therein; and (e) the right (but not the
obligation) to make and prosecute applications for such patents (collectively,
the "Patents").

         (xv)  all other tangible or intangible personal property;

        (xvi)  all accessions as such term is defined in Section 9-314 of the
UCC and additions to any or all of the foregoing, all substitutions and
replacements for any or all of the foregoing; and

       (xvii)  proceeds or products of any or all of the foregoing.

     2.   Obligations Secured.  The security interest granted hereby shall
          -------------------                                             
secure all obligations of the Borrowers, whether now existing or hereafter
arising, under the Credit Agreement, the Notes issued thereunder, and all other
Loan Documents (the "Obligations").

     3.   Representations and Warranties.  The Debtor hereby makes the following
          ------------------------------                                        
representations and warranties which shall be deemed to be repeated and
confirmed upon the creation or acquisition by the Debtor of each item of
Collateral and upon the creation of any Obligation:

     (a)  except for the security interest of the Bank therein and except for
Permitted Liens, the Debtor is, and as to Collateral acquired from time to time
after the date hereof the Debtor will 
<PAGE>
 
be, the owner of all the Collateral, free from any lien, security interest,
encumbrance or other right, title or interest of any person or entity;

     (b)  appropriate financing statements with respect to the security interest
created hereunder in the Collateral have been duly executed and delivered by the
Debtor to the Bank and will be filed in all appropriate offices; no filing of
any other financing statements or other instruments and no recording, filing or
indexing of this Agreement is necessary or appropriate in order to preserve,
protect and perfect the liens and security interests created by this Agreement
in the Collateral as legal, valid and enforceable perfected liens and security
interests in the Collateral superior and prior to the rights of all other
Persons therein.

     (c)  there is no financing statement (or similar statement or instrument of
registration under the law of any jurisdiction) now on file or registered in any
public office covering any interest of the Debtor in the Collateral, or intended
so to be, other than those listed in Schedule B hereto, and so long as the
                                     ----------                           
Debtor may borrow from the Bank or any of the Obligations remain unpaid the
Debtor will not execute and there will not be on file in any public office any
financing statement (or similar statement or instrument of registration under
the law of any jurisdiction) relating to the Collateral, except (i) financing
statements filed or to be filed in respect of the security interests in the
Collateral granted hereunder to the Bank and (ii) financing statements filed in
respect of Permitted Liens;

     (d)  the chief executive office and principal place of business of the
Debtor is located at the address set forth next to its signature below.  The
originals of all documents (as well as all duplicates thereof) evidencing all
Receivables and the only original books of account and records of the Debtor
relating thereto are kept at said chief executive office or at the location set
forth for the Debtor in Schedule C hereto.  All Inventory consisting of finished
                        ----------                                              
goods and all Equipment of the Debtor, if any, is held on the date hereof at the
locations specified for the Debtor in Schedule A hereof; and
                                      ----------            

     4.   Covenants of the Debtor.  (a)  At all reasonable times the Bank shall
          -----------------------                                              
have full access to, and the right to audit, check, inspect and make abstracts
and copies of, the Debtor's books, records, audits, correspondence and all other
papers and computer files, disks and tapes and programs relating to the
Collateral.  The Bank shall have the right to confirm and verify the Receivables
and other Collateral and to do whatever the Bank may deem reasonably necessary
in its reasonable discretion to protect the interests of the Bank.  The Bank or
its agent may enter from time to time the premises of the Debtor at any
reasonable time during normal business hours for the purpose of inspecting the
Collateral and any and all records pertaining thereto.

     (b)  The Debtor will keep the Equipment, at its cost and expense, in good
operating repair and condition, and will not misuse, abuse or waste the
Equipment or allow the Equipment to deteriorate (or permit any of the
foregoing), except for normal wear and tear in the ordinary course of business,
and will make the Equipment available for inspection by the Bank at all
reasonable times during normal business hours.

     (c)  The Debtor will not create, permit or suffer to exist, and the Debtor
will defend the Collateral against and take such other action as is reasonably
necessary to remove, any lien, security interest or encumbrance on the
Collateral other than Permitted Liens and will defend the right, title and
interest of the Bank in and to any of the Debtor's rights to the Collateral
against 
<PAGE>
 
the claims and demands of all persons whomsoever claiming an interest therein
adverse to the Bank.

     (d)  The Debtor will not change the location specified on Schedules A and C
                                                               -----------------
hereof of its chief executive office, principal place of business or the office
where records concerning the Receivables are kept and the Debtor will not keep
Equipment or Inventory (other than any such Inventory in transit) at any
location other than the locations specified in Schedule A hereto until, in each
                                               ----------                      
case, (i) the Debtor shall have given to the Bank not less than 30 days' prior
written notice of its intention so to do, clearly describing such new location
and providing such other information in connection therewith as the Bank may
reasonably request, and (ii) with respect to such new location, the Debtor shall
have taken such action, reasonably satisfactory to the Bank (including, without
limitation, the delivery of additional financing statements duly signed by the
Debtor), to maintain the security interest of the Bank in the Collateral at all
times senior and fully perfected and in full force and effect.  With respect to
Inventory, action reasonably satisfactory to the Bank shall mean prior to
implementing such proposal such Debtor furnishes to the Bank all UCC financing
statements and other documents specified by the Bank as reasonably necessary to
continue the Lien of the Bank on the Inventory as a first and perfected senior
Lien.  The Debtor Borrower shall not in any event keep Inventory (other than any
such Inventory in transit) at any location other than the locations specified in
Schedule A if to do so would cause the Bank's Lien on such Inventory to cease
- ----------                                                                   
being a first and perfected senior Lien.

     (e)  The Debtor will furnish to the Bank within ten (10) days of any
request therefor by the Bank, statements (in form, substance and detail
reasonably satisfactory to the Bank) of all Receivables of the Debtor (including
any aging thereof), itemized by account debtor, and of the location (and
aggregate book value at each such location) of all Inventory and Equipment of
the Debtor, each such statement to be certified by its chief financial officer,
and, promptly from time to time, such other information as the Bank may
reasonably request regarding the Collateral and the Debtor's operations,
business, affairs and financial condition.

     (f)  The Debtor will, at its own expense, make, execute, endorse,
acknowledge, file or deliver to the Bank from time to time such lists,
descriptions, schedules, invoices, warehouse receipts, bills of confirmatory
assignments, conveyances, financing statements, transfer endorse  ments, powers
of attorney, certificates, reports and other assurances or instruments and take
such further steps relating to the Collateral and other property or rights
covered by the security interest hereby granted as the Bank deems reasonably
appropriate or advisable to perfect, preserve or protect its security interest
in the Collateral.

     5.   Special Provisions Concerning Receivables.  (a)  As of the time when
          -----------------------------------------                           
each Receivable of the Debtor arises, the Debtor shall be deemed to have
warranted as to each such Receivable that such Receivable and all papers and
documents relating thereto are genuine and in all respects what they purport to
be, and that each such Receivable (i) will, to its knowledge, represent the
legal, valid and binding obligation of the account debtor thereon for the unpaid
amount owed by such account debtor for the sale and delivery by the Debtor of
the goods, or the performance by the Debtor of the services, listed therein,
(ii) will be the only original writings evidencing and embodying such obligation
of the account debtor named therein, (iii) will evidence obligations arising in
the ordinary course of the Debtor's business in one or more arm's-length
transactions, not subject to any stamp or other taxes, except as shall be
disclosed to the Bank, and (iv) will be, to the best knowledge of the Debtor, in
compliance and will conform with all applicable federal, state and local laws.
The Debtor shall use its best efforts to take all steps necessary to preserve
<PAGE>
 
the liability of each account debtor, guarantor, endorser, obligor or secondary
party on or with respect to the Receivables of the Debtor.

     (b)  The Debtor will keep and maintain, at the Debtor's own cost and
expense, satisfactory and complete records of the Receivables of the Debtor,
including, without limitation, records of all payments received, all credits
granted thereon, all merchandise returned and all other dealings therewith, and
the Debtor will make copies of the same available to the Bank, at the Debtor's
own cost and expense, at any and all reasonable times upon demand of the Bank.
At the request of the Bank (which request, if made before the occurrence of an
Event of Default, shall state that, in the opinion of the Bank (or the Bank's
legal counsel), the legend specified below is necessary to perfect or protect
the first priority of the security interests of the Bank in the Receivables),
the Debtor shall legend, in form and manner reasonably satisfactory to the Bank,
the Receivables of the Debtor and other books, records and documents of the
Debtor evidencing or pertaining to accounts receivable with an appropriate
reference to the fact that the Receivables of the Debtor have been assigned to
the Bank and that the Bank has a security interest therein.

     (c)  The Debtor will not rescind or cancel any indebtedness evidenced by
any Receivable or modify any material term thereof, or extend or renew the same,
or compromise or settle any dispute, claim, suit or legal proceeding relating
thereto, or sell any Receivable or interest therein, without the prior written
consent of the Bank, except as permitted by Paragraph 5(e) hereof.

     (d)  The Debtor will duly fulfill all obligations on its part to be
fulfilled under or in connection with the Receivables and will use due diligence
to preserve the rights of the Bank in the Receivables and will not knowingly do
anything to impair the rights of the Bank in the Receivables.

     (e)  The Debtor will use reasonable efforts to collect or cause to be
collected from the account debtor on each Receivable of the Debtor, as and when
due (including, without limitation, Receivables which are delinquent, such
Receivables to be collected in accordance with generally accepted lawful
collection procedures) any and all amounts owing under or on account of such
Receivable, except that prior to the occurrence of an Event of Default, the
Debtor may allow in the ordinary course of business as adjustments to amounts
owing under the Receivables of the Debtor (i) an extension or renewal of the
time or times of payment, or settlement for less than the total unpaid balance,
which the Debtor finds necessary in accordance with sound business and credit
judgment, and (ii) a refund or credit due as a result of returned or damaged
Inventory or improper or faulty performance of services.  The costs and expenses
(including attorneys' fees) of collection, whether incurred by the Debtor or the
Bank, shall be borne by the Debtor.

     (f)  The Debtor shall, promptly upon learning thereof, report to the Bank
all delays in performance, notices of default, claims made or disputes asserted
by any account debtor or other obligor on any Receivable of the Debtor or
instrument on which there is owing more than $25,000 and any other matters
materially affecting the value, enforceability or collectibility of any such
Receivable.

     (g)  After the occurrence and during the continuance of any Event of
Default, the Bank is authorized and empowered in its sole discretion to accept
the return of the goods, if any, represented by any Receivable of the Debtor or
contract rights, without notice to or consent by 
<PAGE>
 
the Debtor, all without discharging or in any way affecting the Debtor's
liability hereunder or on the Obligations.

     (h)  After the occurrence and during the continuance of any Event of
Default, the Bank shall have the right, without notice to (unless specifically
provided for herein), or assent by, the Debtor, but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) to notify any or all account debtors under any or all of the Receivables to
make payment thereof directly to the Bank for the account of the Debtor or the
Bank and to require the Debtor to forthwith give similar notice to the account
debtors; (ii) to demand, collect, sue for, receive, compound and give
acquittance for the Receivables or any part thereof; (iii) to extend the time of
payment of, compromise or settle for cash, credit or otherwise, and upon any
terms and conditions, any of the Receivables; (iv) to endorse the name of the
Debtor on any checks, drafts or other orders or instruments for the payment of
moneys payable to the Debtor which shall be issued in respect of any Receivable;
(v) to file any claims and commence, maintain or discontinue any actions, suits
or other proceedings deemed by the Bank in its reasonable discretion to be
necessary or advisable for the purpose of collecting or enforcing payment of any
Receivable; (vi) to execute any instrument and do any and all other things
necessary and proper to protect and preserve and realize upon the Receivables
and the other rights contemplated hereby; (vii) to require the Debtor to
forthwith account for and transmit to the Bank in the same form as received all
proceeds (other than physical property) of collection of Receivables received by
the Debtor and, until so transmitted, to hold the same in trust for the Bank and
not commingle such proceeds with any other funds of the Debtor; (viii) to
require the Debtor to deliver, at the Debtor's expense, any or all papers,
documents, correspondence, records and computer programs and tapes and other
electronic data processing software evidencing or relating to the Receivables to
the Bank at a place designated by the Bank (and after delivery thereof the
Debtor shall have no further claim to or interest in such Receivables); (ix) to
notify the post office authorities to change the address for delivery of mail
addressed to the Debtor to such address as the Bank may designate; and (x) to do
all other acts and things reasonably necessary to carry out this Agreement.  The
Bank shall not be obligated to do any of the acts hereinabove authorized, but in
the event that the Bank elects to do any such act, the Bank shall not be
responsible to the Debtor except for its gross negligence or willful misconduct.

     (i)  If any Receivable of the Debtor becomes evidenced by a promissory note
or similar instrument in the sum of more than $25,000, the Debtor will notify
the Bank thereof, and upon request by the Bank will promptly deliver such
instrument to the Bank appropriately endorsed to the order of the Bank as
further security for the payment in full of the Obligations.

     6.   Special Provisions Concerning Inventory and Equipment.  (a)  The
          -----------------------------------------------------           
Debtor will at all times keep all of its Inventory and Equipment, if any,
insured at the expense of the Debtor, to the Bank's satisfaction, against fire,
theft, and all other risks to which such Inventory and Equipment may be subject;
all policies or certificates with respect to such insurance shall be endorsed to
the Bank's reasonable satisfaction for the benefit of the Bank to the extent of
its interest therein (including, without limitation, by naming the Bank as loss
payee), provided that the Debtor may be the loss payee for all payments under
said insurance with respect to any casualty involving a loss of less than
$50,000, and evidence of such insurance satisfactory to the Bank shall be
deposited with the Bank.  If the Debtor shall fail to insure its Inventory and
Equipment to the Bank's reasonable satisfaction, or if the Debtor shall fail to
so endorse and deposit all policies or certificates with respect thereto in
accordance herewith, the Bank shall have the right (but shall be under no
obligation) to procure such insurance and the Debtor agrees to reimburse the
Bank 
<PAGE>
 
for all costs and expenses of procuring such insurance. The Bank may apply any
proceeds of such insurance with respect to the Inventory and Equipment, when
received by it, toward the payment of any of the Obligations owing by the
Debtor, whether or not the same shall then be due; provided, however, that so
                                                   --------  -------         
long as no Event of Default or material Default shall have occurred and be
continuing when the Bank receives such proceeds, the Bank shall forward any such
proceeds received by it to the Debtor, at the Debtor's request, for application
to the cost of repairing or replacing the items of Inventory or Equipment in
respect of which such proceeds were paid.  The Debtor shall give immediate
written notice to the insurers (and in the case of a loss or damage involving
more than $25,000, to the Bank) of any loss or damage to the Collateral or any
part thereof and shall promptly file all necessary or appropriate proofs of loss
with the insurers. The Debtor hereby appoints the Bank the attorney-in-fact for
the Debtor in obtaining, adjusting and cancelling any such insurance and
endorsing settlement drafts.

     (b)  The Debtor will prevent, by all reasonable action or actions as may be
necessary, any of the Equipment (other than Equipment located on property owned
by the Debtor and subject to a mortgage in favor of the Bank) from becoming
fixtures under the laws of the jurisdiction where such Equipment is located.
The Debtor will, if requested by the Bank, use reasonable efforts to obtain
waivers or subordinations of liens, in form satisfactory to the Bank, from each
lessor, each sublessor and each mortgagee of each lessor and sublessor whose
mortgage was executed prior to the lease from such lessor or sublessor, of real
property on which any of the Equipment is or may be located, and will perform
all other acts the Bank may request to maintain the Equipment apart from any
realty.

     (c)  The Bank shall have the right upon the occurrence of an Event of
Default which shall be continuing, without notice to (unless specifically
provided for herein), or assent by, the Debtor but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) upon notice to such effect, to require the Debtor to deliver, at the
Debtor's expense, any or all of the Inventory and Equipment to the Bank at a
place designated by the Bank (and after delivery thereof the Debtor shall have
no further claim to or interest in such Inventory and Equipment); (ii) to take
possession of any or all of the Inventory and Equipment of the Debtor and, for
that purpose, to enter, with the aid and assistance of any Person, any premises
where the Inventory or Equipment, or any part thereof, is, or may be, placed or
assembled, and to remove any of such Inventory and Equipment, to render the
Equipment unusable or to dispose of or store the Inventory and Equipment in such
premises at the cost and expense of the Debtor; and (iii) to execute any
instrument and do all the things necessary and proper to protect and preserve
and realize upon the Inventory and Equipment and the other rights contemplated
hereby.  The Bank shall not be obligated to do any of the acts hereinabove
authorized, but in the event that the Bank elects to do any such act, the Bank
shall not be responsible to the Debtor except for the Bank's gross negligence or
willful misconduct.  It is hereby understood that the Debtor's obligation so to
deliver the Collateral or any portion thereof is of the essence of this
Agreement and that, accordingly, upon the application to a court of equity
having jurisdiction, the Bank shall be entitled to a decree requiring specific
performance by the Debtor of said obligation.

     (d)  Upon taking possession of any Equipment or Inventory pursuant hereto
following the occurrence of an Event of Default, the Bank shall have the right
to hold, store or use, operate, manage and control such Equipment and Inventory.
Upon any such taking of possession by the Bank of any Equipment or Inventory,
the Bank may, from time to time at the expense of the Debtor, make all such
repairs, replacements, alterations, additions and improvements to any of such
Equipment and Inventory as the Bank may deem reasonably proper.  In any such
case, the 
<PAGE>
 
Bank shall have the right to manage and control such Inventory and Equipment and
to carry on the business and exercise all rights and powers of the Debtor
respecting the Inventory and Equipment, all as the Bank shall deem best; and the
Bank shall be entitled to collect and receive all rents, issues, profits, fees,
revenues and other income of the same and every part thereof. Such rents,
issues, profits, fees, revenues and other income shall be applied to pay the
expenses incurred in (i) holding and operating such Equipment and Inventory;
(ii) performing all maintenance, repairs, replacements, alterations, additions
and improvements which the Bank may be required or elect to make, if any; and
(iii) paying all taxes, assessments, insurance and other charges upon such
Equipment and Inventory or any part thereof, and all other payments, which the
Bank may be required or authorized or elect to make (including reasonable fees
and disbursements of the Bank's counsel). Any remaining rents, issues, profits,
fees, revenues and other income shall be applied to the payment of the
Obligations in accordance with Paragraph 11 hereof.

     (e)  Notwithstanding any other provision of this Agreement to the contrary,
prior to the occurrence of an Event of Default, the Debtor may, in the ordinary
course of business, dispose of any item of Equipment or Inventory which is
subject to the security interest granted by the Debtor to the Bank under this
Agreement, free of such security interest, without any further act of the Bank.

     7.   Financing Statements; Documentary Stamp Taxes.  (a) The Debtor agrees
          ---------------------------------------------                        
to sign and deliver to the Bank such financing statements, in form reasonably
acceptable to the Bank, as the Bank may from time to time request as are
necessary in the reasonable opinion of the Bank to establish and maintain a
valid, enforceable and perfected security interest in the Collateral and the
other rights and security contemplated hereby which is superior and prior to the
rights of all third persons.  The Debtor will pay any applicable filing fees and
related expenses.  The Debtor authorizes the Bank to file any such financing
statements without the signature of the Debtor.

     (b)  The Debtor agrees to procure, pay for, affix to any and all documents
and cancel any documentary tax stamps or similar taxes required by, and in
accordance with, applicable law and the Debtor will indemnify and hold the Bank
harmless against any liability (including interest and penalties) in respect of
such taxes.

     8.   Additional Provisions Concerning the Marks.  (a)  Debtor represents
          ------------------------------------------                         
and warrants that it is the true and lawful owner of the Marks listed in
Schedule D attached hereto and that said Marks constitute all the Marks that
- ----------                                                                  
Debtor now owns.  Debtor further represents and warrants that it is a licensee
under the Marks listed in such Schedule D and that said Marks constitute all the
                               ----------                                       
Marks under which Debtor is licensed.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any right in or affecting a Mark, whether or not such right is
presently held by Debtor.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent details available to it, with respect to any material
infringement or other material violation of Debtor's right in any Mark, whether
or not such right is presently held by Debtor. As to each such instance, absent
the Bank's authorization to proceed otherwise, Debtor shall diligently and to
the extent permitted by law pursue a remedy.  Promptly upon learning thereof,
Debtor shall notify the Bank of all pertinent details available to it regarding
any claim that Debtor's use of any Mark violates the property right of another.
<PAGE>
 
     (d)  As to all Marks as to which Debtor has or shall have title, and at its
own expense, Debtor shall comply with all requirements for maintaining
registration, including but not limited to the filing of affidavits and seeking
of renewals.  Without prior written consent of the Bank, Debtor shall not
abandon any such filing of an affidavit of use or any such application of
renewal, prior to exhaustion of all administrative and judicial remedies.  Six
months prior to due dates for affidavits of use, or applications for renewal of
registrations, Debtor shall notify the Bank that such affidavits or applications
are being processed.

     (e)  If Debtor hereafter becomes the owner of any Mark, then within 30 days
of becoming the owner of such Mark, or as soon thereafter as reasonable, Debtor
shall deliver to the Bank a certificate of registration or copy of the
application, and a grant of security in such Mark in favor of the Bank,
confirming the grant thereof hereunder.  If Debtor hereafter secures a license
under any Mark, then within 30 days of execution of the license agreement,
Debtor shall deliver to the Bank a copy of the certificate of registration or of
the application, and a grant of security in Debtor's rights under such
agreement, confirming the grant thereof hereunder.  The form of any confirmatory
grants shall be in a form satisfactory to the Bank.

     (f)  If an Event of Default shall occur and be continuing, the Bank may by
written notice to Debtor take any or all of the following actions: (a) declare
Debtor's entire right, title, and interest in any Marks under which Debtor has
an interest to be vested, in which event such right, title, and interest shall
immediately vest in the Bank, and Debtor shall execute an assignment, in form
and substance satisfactory to the Bank, of all its rights, title, and interest
under such Marks to the Bank; (b) take and use or sell Debtor's rights in said
Marks, along with the goodwill, assets secured under this agreement, and all
other elements of Debtor's ongoing business symbolized by the Marks and secured
under this Assignment, and the right to carry on the business of the Debtor in
connection with which these Marks have been used; and (c) direct Debtor to
refrain, in which event Debtor shall refrain, from using the Marks in any
manner, directly or indirectly, and if requested by the Bank, Debtor shall
change its corporate name to eliminate therefrom any use of any Mark, and
execute any other and further documents which the Bank may request further to
confirm the foregoing and to transfer to the Bank ownership of Debtor's rights
to such Marks.

     9.   Additional Provisions Concerning Patents. (a)    Debtor represents and
          ----------------------------------------                              
warrants that it is the true and lawful, exclusive owner of the Patents listed
on Exhibit F attached hereto, and that said Patents constitute all Patents which
Debtor now owns.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any rights under any Patents material to its business, whether or not
Debtor currently holds such rights.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent information available to it regarding any infringement
or other violation of any of Debtor's rights under any Patent material to the
business of the Debtor, whether or not Debtor currently has such rights.  Absent
the Bank's authorization to do otherwise, and to the extent permitted by law,
Debtor shall diligently pursue a remedy.  Promptly upon learning thereof, Debtor
shall notify the Bank in writing of any claim that any activity of Debtor
infringes or otherwise violates the right of any third party with respect to the
Patent.
<PAGE>
 
     (d)  At its own expense, Debtor shall cause to be timely paid all post-
issuance fees required in order to maintain in force rights under the Patents
material to the business of Debtor, pursuant to 35 U.S.C. (S) 6.

     (e)  If Debtor hereafter acquires rights in any Patent not shown in Exhibit
F, Debtor shall deliver to the Bank within 30 days, a copy of the Patent, and a
grant of security on such Patent in favor of the Bank confirming the grant
thereof hereunder, the form of such confirmatory grant to be substantially in
the form in Schedule F hereto.
            ----------        

     (f)  If an Event of Default shall occur and be continuing, the Bank by
written notice to Debtor may take any or all of the following actions:  (a)
declare the entire right, title, and interest of Debtor in each of the Patents
vested, in which event such right, title, and interest shall immediately vest in
the Bank, in which case Debtor agrees to execute an assignment, in form and
substance satisfactory to the Bank, of all its rights, title, and interest in
and to such Patent rights to the Bank; (b) take and practice or sell the Patent
rights; and (c) directly or indirectly, will execute such other and further
documents as the Bank may request further to confirm the foregoing and to
transfer ownership of the Patent rights.

     10.  Additional Provisions Concerning Remedies and Sale of Collateral.
          ----------------------------------------------------------------  
(a)  In addition to any rights and remedies contained herein or now or hereafter
granted under applicable law and not by way of limitation of any such rights and
remedies, upon the occurrence of an Event of Default which shall be continuing,
the Bank shall have all of the rights and remedies of a secured party under the
UCC.  The Bank may take legal proceedings for the appointment of a receiver or
receivers (to which the Bank shall be entitled as a matter of right) to take
possession of the Collateral pending the sale thereof pursuant either to the
powers of sale granted by this Agreement or to a judgment, order or decree made
in any judicial proceeding for the foreclosure or involving the enforcement of
this Agreement.

     (b)  Upon the occurrence of any Event of Default which shall be continuing,
the Bank shall have the right to seize and take possession of any Collateral
(and any paper, documents, correspondence, computer files, disks, tapes and
programs and other electronic data processing software relating to the
Collateral), and may enter the premises where they, or any of them, are located
for the purpose of effecting such seizure.  The Bank shall not be liable to the
Debtor for any damage suffered by the Debtor by reason thereof and the Debtor
shall indemnify the Bank for any liability which may accrue to any person by
reason of such entry or seizure, except for liability arising out of the gross
negligence or willful misconduct of the Bank.  At any time or from time to time
after the occurrence of an Event of Default which shall be continuing the Bank
may hire and maintain on any of the premises of the Debtor a custodian or
independent contractor selected by the Bank who shall have full authority to do
all lawful acts necessary to protect the interests of the Bank and to report to
the Bank thereon.  The Debtor hereby agrees to cooperate with any such person
and to do whatever the Bank may reasonably request to preserve the Collateral of
the Debtor.  All expenses incurred by the Bank by reason of the employment of
any such persons shall be a part of the Obligations.

     (c)  Upon the occurrence of an Event of Default which shall be continuing
the Bank may, without obligation to resort to other security, at any time and
from time to time, sell, re-sell, assign and deliver all or any of the
Collateral, in one or more parcels at the same or different times, and all
right, title and interest, claim and demand therein and right of redemption
thereof, at public or private sale, for cash, upon credit or for future
delivery, and at such price or prices 
<PAGE>
 
and on such terms as the Bank may determine, with the amounts realized from any
such sale to be applied in the manner provided in Section 9 hereof. The Debtor
hereby agrees that all of the foregoing may be effected without demand,
advertisement or notice (except as required by law or as expressly provided
herein), all of which (to the extent permitted by law) are hereby expressly
waived. Upon any sale of any of the Collateral, whether made under the power of
sale hereby given or under judgment, order or decree in any judicial proceeding
for the foreclosure involving the enforcement of this Agreement, (i) the Bank
may bid for the property being sold, and upon compliance with the terms of sale
may hold, retain and possess and dispose of such property in its own absolute
right without further accountability, and may, in paying the purchase money
therefor, discharge a portion of the Obligations owing to the Bank in an amount
equal to such purchase price in lieu of cash in payment of the amount which
shall be payable thereon; (ii) the Bank may make and deliver to the purchaser or
purchasers a good and sufficient deed, bill of sale and instrument of assignment
and transfer of the property sold; (iii) the Bank is hereby irrevocably
appointed the true and lawful attorney-in-fact of the Debtor in its name and
stead, to make all necessary deeds, bills of sale and instruments of assignment
and transfer of the property thus sold and for such other purposes as are
necessary or desirable to effectuate the provisions of this Agreement, and for
that purpose the Bank may execute and deliver all necessary deeds, bills of sale
and instruments of assignment and transfer, and may substitute one or more
Persons with like power, the Debtor hereby ratifying and confirming all that its
said attorney, or such substitute or substitutes, shall lawfully do by virtue
hereof; but if so requested by the Bank or by any purchaser, the Debtor shall
ratify and confirm any such sale or transfer by executing and delivering to the
Bank or such purchaser all deeds, bills of sale, instruments of assignment and
transfer and releases as may be designated in any such request; (iv) all right,
title, interest, claim and demand whatsoever, either at law or in equity or
otherwise, of the Debtor of, in and to the property so sold shall be divested
and such sale shall be a perpetual bar both at law and in equity against the
Debtor, its successors and assigns, and against any and all Persons claiming or
who may claim the property sold or any part thereof from, through or under the
Debtor, its successors or assigns; (v) the receipt of the Bank or of the officer
thereof making such sale shall be a sufficient discharge to the purchaser or
purchasers at such sale for his or their purchase money, and such purchaser or
purchasers, and his, its or their assigns or personal representatives, shall
not, after paying such purchase money and receiving such receipt of the Bank or
of such officers thereof, be obligated to see to the application of such
purchase money or be in anywise answerable for any loss, misapplication or non-
application, thereof.

     (d)  To the extent that it may lawfully do so, the Debtor agrees that it
will not at any time insist upon, or plead, or in any manner whatsoever claim or
take the benefit or advantage of, any appraisement, valuation, stay, extension
or redemption laws, or any law permitting it to direct the order in which the
Collateral or any part thereof shall be sold, now or at any time hereafter in
force, which may delay, prevent or otherwise affect the performance or
enforcement of this Agreement or the Obligations, and the Debtor hereby
expressly waives all benefit or advantage of any such laws and covenants that it
will not hinder, delay or impede the execution of any power granted or delegated
to the Bank in this Agreement, but will suffer and permit the execution of every
such power as though no such laws were in force.  In the event of any sale of
Collateral pursuant to this Agreement by the Bank, the Bank shall, at least ten
(10) days before such sale, give the Debtor written, telegraphic or telex notice
of its intention to sell, except that, if the Bank shall determine in its sole
discretion that any of the Collateral is perishable or threatens to decline
speedily in value, any such sale may be made upon one (1) day's written,
telegraphic, telecopy or telex notice to the Debtor.
<PAGE>
 
     (e)  The Debtor agrees that at any time during the occurrence of any Event
of Default, which shall be continuing, thereof, any of the moneys, deposit
balances and other property of the Debtor held by, or coming into the possession
of, the Bank may be applied (including, without limitation, by way of set-off)
by the Bank to the reduction of the Obligations to the Bank.

     11.  Application of Moneys; Reassignment of Collateral.  Except as
          -------------------------------------------------            
otherwise provided herein, all moneys which the Bank shall receive pursuant to
this Agreement or with respect to the Collateral shall be applied in the
following manner: first, to the payment of all costs and expenses incurred in
                  -----                                                      
connection with the administration and enforcement of, or the preservation of
any rights under, this Agreement and the realization on such Collateral
(including, without limitation, the fees and disbursements of the Bank's counsel
and agents); and, second, to the payment of all other Obligations in such order
                  ------                                                       
and manner as the Bank shall determine.  The balance, if any, of such moneys
shall be paid over to the Debtor or as otherwise required by law or as directed
by a court of competent jurisdiction.  Upon the payment in full of the
Obligations and the termination of the Bank's obligation to make Loans under the
Credit Agreement, all Collateral of the Debtor not sold or otherwise disposed of
pursuant hereto shall, at the request of the Debtor and at the sole cost and
expense of the Debtor, be reassigned by the Bank to the Debtor (or as otherwise
directed by a court of competent jurisdiction) without recourse and without any
representations, warranties or agreements of any kind (other than a
representation that the Bank has not assigned or transferred the Collateral so
reassigned or its security interests therein, except as contemplated hereby or
by the Credit Agreement).  The Debtor shall remain liable to the Bank for any
deficiency remaining on the Obligations owing to the Bank after the aforesaid
application of such moneys to the Obligations.

     12.  Exercise of Rights.  The Bank shall have the right in its sole
          ------------------                                            
discretion to determine which rights, security, liens, guarantees, security
interests or remedies it shall retain, pursue, release, subordinate, modify or
take any other action with respect thereto, without in any way modifying or
affecting any of the other of them or any of the Bank's rights hereunder.

     13.  Waivers, Amendments, Required Notices.  The Debtor hereby waives
          -------------------------------------                           
notice of acceptance of this Agreement, notice of nonpayment of any Obligations
or of any Receivables or of any instrument relating thereto, demand,
presentment, protest and notice thereof with respect to any and all instruments,
notice of Collateral received or delivered, or any other action taken in
reliance hereon and all other demands and notices of any description, except
such as are expressly provided for herein or which by applicable law may not be
waived on the date hereof. No failure on the part of the Bank to exercise, and
no delay in exercising, any right, power or remedy hereunder shall operate as a
waiver thereof or as a waiver of any Event of Default, nor shall any single or
partial exercise by the Bank of any right, power or remedy hereunder or with
respect to the Obligations preclude any other or further exercise thereof or the
exercise of any other right, power or remedy.  No amendment or modification of
this Agreement nor any waiver of any provision of this Agreement or consent to
any departure by the Debtor therefrom shall in any event be effective unless the
same shall be in writing and signed by the Bank, and then any such waiver or
consent shall be effective only in the specific instance and for the purpose for
which given.  No notice to or demand on the Debtor in any case shall, of itself,
entitle the Debtor to any other or further notice or demand in similar or other
circumstances.  If notice, whether before or after any default by the Debtor
hereunder has occurred, is required by law or by the provisions of this
Agreement to be given by the Bank to the Debtor, the Debtor agrees that five (5)
Business Days' notice given in the manner provided below shall be reasonable
notice.
<PAGE>
 
     14.  Cumulative Remedies.  This Agreement and the liens and security
          -------------------                                            
interests of the Debtor granted hereunder are in addition to and not in
substitution for any security interests and collateral now or hereafter held by
or on behalf of the Bank to secure the Obligations of the Borrowers and shall
not affect the rights, remedies or powers of the Bank in respect of any
Obligation held by the Bank.  The remedies herein provided are cumulative and
are not exclusive of any remedy provided by law.

     15.  Notices.  (a)  Any notice, demand or communication hereunder shall be
          -------                                                              
given in writing (including facsimile transmission or telex) and mailed or
delivered to each party at its address set forth in the Credit Agreement, or, as
to each party, at such other address as shall be designated by such party by a
prior notice to the other parties in accordance with the terms of this Section
15.  (b)  All notices hereunder shall be effective (i) five (5) Business Days
after such notice is mailed, by registered or certified mail, postage prepaid
(return receipt requested), (ii) upon delivery by hand, and (iii) in the case of
any notice or communication by telex, facsimile transmission or cable, on the
date when sent, and answerback or confirmation, as the case may be, is received.

     16.  Costs and Expenses.  (a)  The Debtor hereby agrees to pay on demand
          ------------------                                                 
all reasonable out-of-pocket costs and expenses (including without limitation
the reasonable fees and disbursements of counsel for the Bank) incurred by the
Bank in connection with (i) the preparation and administration of this
Agreement, (ii) the enforcement of this Agreement and the security interests
granted hereunder, (iii) any filings or recordings with respect to the security
interests granted hereunder (including all filing and recording fees, stamp
taxes, recording taxes and intangible property taxes), (iv) the receipt of
proceeds of the Receivables hereunder, (v) the care and preservation of the
Collateral, and (vi) the preparation of any requested amendments to this
Agreement or waivers or consents in connection herewith.  Any such expenses so
incurred by the Bank shall be secured hereby and be a part of the Obligations.

     (b)  If any Lien or tax shall be claimed with respect to the Collateral
which in the opinion of the Bank may possibly create a valid obligation having
priority over the security interest granted to any of them herein, the Bank may
(but shall have no obligation to) in its reasonable discretion and without
notice to the Debtor pay such taxes or the amount secured by such lien and the
amount of such payment shall be charged to the Debtor's account and added to the
Obligations secured hereby; provided, however, that the Bank shall not make such
                            --------  -------                                   
payment with respect to any Lien or tax being contested in good faith by the
Debtor by appropriate proceedings if (i) such proceedings shall suspend the
enforcement of such Lien or collection of such tax, (ii) no part of the Debtor's
rights in and under the Collateral shall be subject to sale, forfeiture or
diminution, and (iii) the Debtor shall have furnished such security as may be
required in the proceedings or reasonably requested by the Bank.

     (c)  Upon any failure by the Debtor to perform any of its duties and
obligations hereunder, the Bank may, but shall not be obligated to, perform any
or all of such duties, and the Debtor shall pay to the Bank, forthwith upon
written demand therefor, an amount equal to the cash or out-of-pocket expense
incurred by the Bank in so doing plus interest thereon from the date such
expense is incurred until it is paid at a rate equal to the highest rate of
interest payable by the Borrower from time to time on the Obligations of the
Borrower under the Credit Agreement and the Notes issued thereunder.
<PAGE>
 
     17.  Successors and Assigns, Governing Law, Survival.  This Agreement
          -----------------------------------------------                 
shall be governed by, and construed in accordance with, the laws of the State of
New York, shall inure to the benefit of and shall be binding upon the Bank and
the Debtor and their respective successors and assigns and shall continue in
full force and effect so long as the Credit Agreement remains in effect and
until all of the Obligations have been satisfied in full.  The Debtor may not
assign its rights or obligations hereunder or the Collateral or any portion
thereof without the prior written consent of the Bank.  All covenants,
agreements, representations and warranties made herein shall survive the
execution and delivery of this Agreement and shall continue in full force and
effect until all of the Loans and all other Obligations of each Borrower under
the Credit Agreement, the Notes and any Loan Document have been paid in full and
the Commitments have been terminated.

     18.  Severability.  If any part of this Agreement is contrary to,
          ------------                                                
prohibited by or deemed invalid under any applicable law of any jurisdiction,
such provision shall, as to such jurisdiction, be inapplicable and deemed
omitted to the extent so contrary, prohibited or invalid, without invalidating
the remainder hereof or affecting the validity or enforceability of such
provision in any other jurisdiction.

     19.  No Assumption of Duties; Limitation on Liabilities.  (a)  Nothing
          --------------------------------------------------               
herein contained shall be construed to constitute the Bank as the Debtor's agent
for any purpose whatsoever except for the limited purposes of receiving proceeds
of the Collateral as provided above.  The Bank does not assume, by anything
contained herein or in any assignment or otherwise, the Debtor's obligations
under any Receivable or other Collateral or any contract or agreement relating
thereto, and the Bank shall not be responsible in any way for the Debtor's
performance of any of the terms and conditions thereof.

     (b)  Neither the Bank nor any of its directors, officers, agents or
employees shall be liable to any Person for any action taken or omitted by the
Bank or any of its officers, directors, employees or agents hereunder or with
respect to any transaction contemplated by this Agreement, except for the Bank's
or such officers', directors', employees' or agents' gross negligence or will
ful misconduct.  Without limiting the generality of the foregoing, the Bank
shall not be responsible or liable for any shortage, discrepancy, damage, loss
or destruction of any part of the Collateral wherever the same may be located
and regardless of the cause thereof unless due to the Bank's gross negligence or
willful misconduct.  The Bank shall not, under any circumstances except for its
gross negligence or willful misconduct, have any liability for any error or
omission or delay of any kind occurring in the settlement, collection or payment
of any of the Receivables or any instrument received in payment thereof or for
any damage resulting therefrom.
<PAGE>
 
     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed and delivered by their duly authorized officers as of the date first
above written.

Address:                                    
- --------                                    
Setterstix Corporation                      SETTERSTIX CORPORATION            
261 South Main Street                                                         
Cattaraugus, NY  14719                      By:    /s/ Frederick A. Rossetti  
Fax No.:  716-257-9818                         ---------------------------------
        -------------------                    Name:   Frederick A. Rossetti  
Attn.:  Christopher Cadigan                    Title:  Chief Executive Officer  
      ---------------------                                                     
                           
Address:                                    
- -------                                     
1133 Avenue of the Americas                 FLEET BANK N.A.           
New York, New York 10036                                              
Fax No.:  (212) 907-5162                    By:    /s/ John M. Tuohy  
Attn.:  John M. Tuohy                          ---------------------------------
                                               Name:   John M. Tuohy  
                                               Title:   Vice President 
<PAGE>
 
                                                                      SCHEDULE A
                                                                      ----------
                                                           to Security Agreement

                             Location of Inventory
                             ---------------------


Setterstix Corporation                  Remote Warehouse Locations:            
261 South Main Street                   ---------------------------
Cattaraugus, NY  14719
                                        Setterstix Corporation         
                                        4455 Fruitland Avenue          
                                        Los Angeles, CA  90058         
 

                             Location of Equipment
                             ---------------------

Setterstix Corporation
261 South Main Street
Cattaraugus, NY  14719
 
<PAGE>
 
                                                                      SCHEDULE B
                                                                      ----------
                                                           to Security Agreement

                                Permitted Liens
                                ---------------
<TABLE>
<CAPTION>
                DEBTOR  SECURED                         DESCRIPTION    PERMITTED
JURISDICTION    NAME    PARTY(IES)  NUMBER  DATE FILED  OF COLLATERAL  FILING
- ------------    ----    ----------  ------  ----------  -------------  ------
<S>             <C>     <C>         <C>     <C>         <C>            <C>  
                        (None.)
</TABLE>
<PAGE>
 
                                                                      SCHEDULE C
                                                                      ----------
                                                           to Security Agreement

                           Locations at Which Records
                      Regarding Receivables are Maintained
                      ------------------------------------

THT Inc.
- --------
33 Riverside Avenue, 5th Floor
Westport, CT  06880


Setterstix Corporation
- ----------------------
261 South Main Street
Cattaraugus, NY  14719
     -and-
c/o THT Inc.
33 Riverside Avenue, 5th Floor
Westport, CT  06880
<PAGE>
 
                                                                      SCHEDULE D
                                                                      ----------
                                                           to Security Agreement


                    Trademarks, Service Marks and Copyrights
                            (including applications)
                            ------------------------


OWNER          MARK              REG. NO.      REG. DATE
- -----          ----              --------      ---------

Setterstix   "Setterstix"        628,830       6/12/56
Corporation  (See attachment)                  (Renewal Term Begins
                                               6/12/96)
<PAGE>
 
                                                                      SCHEDULE E
                                                                      ----------
                                                           to Security Agreement



                            [INTENTIONALLY OMITTED]
<PAGE>
 
                                                                      SCHEDULE F
                                                                      ----------
                                                           to Security Agreement


                                    Patents
                                    -------

Owned by Setterstix Corporation:
- ------------------------------- 

<TABLE>
<CAPTION>
Number                   Issued          Title
- ------                   ------          -----
<S>                    <C>               <C>
4,209,112              06/24/80          Stick Feeding Apparatus
                                                                
4,232,811              11/11/80          Apparatus For          
                                         Dispensing and         
                                         Inserting Sticks       
4,271,978              06/09/81          Stick Dispenser        
                                                                
4,298,118              11/03/81          Stick Separating       
                                         Apparatus With         
                                         Improved Radiation     
                                         Counter                
                                                                
4,340,151              07/20/82          Stick Feeding Apparatus 
</TABLE>

<PAGE>
 
EXHIBIT 10.4                  SECURITY AGREEMENT
                             (JACKBURN MFG., INC.)

     SECURITY AGREEMENT (as amended, supplemented, restated or modified from
time to time, "this Agreement"), dated as of March 27, 1997 between Jackburn
Mfg., Inc., a Pennsylvania corporation (the "Debtor"), and Fleet Bank N.A. (the
"Bank").   Except as otherwise defined herein, terms used herein and defined in
the Credit Agreement referred to below, as in effect on the date hereof, shall
have the meaning specified for such terms in the Credit Agreement.

     WHEREAS, the Debtor and the Bank are entering into a Credit Agreement of
even date herewith (as amended, supplemented, restated or modified from time to
time, the "Credit Agreement"), pursuant to which the Bank is agreeing to make
certain Loans to the Borrowers (as defined therein) subject to the terms and
conditions of the Credit Agreement;

     WHEREAS, the execution and delivery of this Agreement and the grant to the
Bank of the security interests contemplated hereby are conditions precedent to
the obligation of the Bank to make Loans to the Borrowers;

     NOW, THEREFORE, in consideration of the premises and to induce the Bank to
execute and deliver the Credit Agreement and to make Loans to the Borrowers
thereunder, the parties hereby agree as follows:

     20.  Security Interest.  As security for the prompt and complete payment
          -----------------                                                  
and performance in full of all the Obligations, the Debtor hereby assigns,
pledges and transfers to the Bank and grants to the Bank a security interest in
and lien on all of the Debtor's right, title and interest in, to and under the
following, in each case, whether now owned or existing or hereafter acquired or
arising, and wherever located (all of which being hereinafter collectively
called the "Collateral"):

               (i)  all accounts, as such term is defined in Section 9-106 of
the UCC. "UCC" shall mean the Uniform Commercial Code as in effect from time to
          ---
time in the State of New York.

              (ii)  all chattel paper, as such term is defined in Section 9-
105(b) of the UCC;

             (iii)  all books, records, computer software, computer printouts,
customer lists, blueprints, technical specifications, manuals, and similar items
which relate to any Collateral other than such items obtained under license or
franchise agreements which prohibit assignment or disclosure of such items;

              (iv)  all equipment, as such term is defined in Section 9-109(2)
of the UCC, including, without limitation, machinery, manufacturing equipment,
data processing equipment, computers, office equipment, furniture, appliances,
and tools, (collectively, the "Equipment");

               (v)  all fixtures, as such term is defined in Section 9-313 of
the UCC;

              (vi)  all general intangibles, as such term is defined in Section
9-106 of the UCC, including, without limitation, rights to the payment of money
(other than Receivables), trademarks
<PAGE>
 
and service marks (including applications therefor, except any intent-to-use
applications as such term is defined in 15 U.S.C. (S) 1060) (collectively, "the
Marks"), copyrights, contracts, licenses, and franchises (except in the case of
licenses and franchises in respect of which the Debtor is the licensee or
franchisee if the agreement in respect of such license or franchise prohibits by
its terms any assignment or grant of a security interest, limited and general
partnership interests and joint venture interests, federal income tax refunds,
trade names, distributions on certificated securities (as defined in Section 8-
102(1)(a) of the UCC and uncertificated securities (as defined in Section 8-
102(1)(b) of the UCC), computer programs and other computer software,
inventions, designs, trade secrets, good will, proprietary rights, customer
lists, supplier contracts, sale orders, correspondence, advertising materials,
payments due in connection with any requisition, confiscation, condemnation,
seizure or forfeiture of any property, reversionary interests in pension and
profit sharing plans and reversionary, beneficial and residual interests in
trusts, credits with and any other claims against any Person, together with any
of the collateral for any of the foregoing and the rights under any security
agreement granting a security interest in such collateral;

               (vii)  all instruments, as such term is defined in Section 9-
105(1)(i) of the UCC;

               (vii)  all insurance policies;

                (ix)  all inventory, as such term is defined in Section 9-109(4)
of the UCC, including without limitation, all goods (whether such goods are in
the possession of the Debtor of a bailee or other Person for sale, lease,
storage, transit, processing, use or otherwise and whether consisting of whole
goods, spare parts, components, supplies, materials or consigned or returned or
repossessed goods) including without limitation, all such goods which are held
for sale or lease or are to be furnished (or which have been furnished) under
any contract of service or which are raw materials or work in progress, or
materials used in or consumed in the Debtor's business (collectively, the
"Inventory");

                 (x)  all money, as such term is defined in Section 1-201(24) of
the UCC;

                (xi)  all Receivables, which shall mean all rights to payment
for goods sold or leased or services rendered, whether or not earned by
performance and all rights in respect of the account debtor, including without
limitation, all such rights in which the Debtor has any right, title or interest
by reason of the purchase thereof by the Debtor, and including without
limitation all such rights constituting or evidenced by any account, chattel,
paper, instrument, general intangible, note, contract, invoice, purchase order,
draft, acceptance, intercompany account, security agreement, or other evidence
of indebtedness or security, together with (a) any collateral assigned,
hypothecated or held to secure any of the foregoing and the rights under any
security agreement granting a security interest in such collateral, (b) all
goods, the sale of which gave rise to any of the foregoing, including, without
limitation, all rights in any returned or repossessed goods and unpaid seller's
rights, (c) all guarantees, endorsements and indemnifications on, or of, any of
the foregoing, and (d) all powers of attorney for the execution of any evidence
of indebtedness or security or other writing in connection therewith
(collectively, the "Receivables");

               (xii)  all Receivables records, which shall mean (a) all original
copies of all documents, instruments or other writings evidencing the
Receivables, (b) all books, correspondence, credit or other files, records,
ledger sheets or cards, invoices and other papers relating to Receivables,
including without limitation all tapes, cards, computer tapes, computer
<PAGE>
 
disks, computer runs, recordkeeping systems and other papers and documents
relating to the Receivables, whether in the possession or under the control of
the Debtor or any computer bureau or agent from time to time acting for the
Debtor or otherwise, (c) all evidences of the filing of financing statements and
the registration of other instruments in connection therewith and amendments,
supplements or other modifications thereto, notices to other creditors or
secured parties, and certificates, acknowledgements, or other writings including
without limitation lien search reports, from filing or other registration
officers, (d) all credit information, reports and memoranda relating thereto and
(e) all other written or non-written forms of information related in any way to
the foregoing or any Receivable;

               (xiii) all trademarks, service marks, designs, logos, indicia,
trade names, corporate names, company names, business names, fictitious business
names, trade styles, elements of package or trade dress, and other source and
product or service identifiers, used or associated with or appurtenant to the
products, services and businesses of the Debtor, that (a) are set forth on
Schedule D hereto, or (b) have been adopted, acquired, owned, held or used by
- ----------
the Debtor or are now owned, held or used by the Debtor, in the Debtor's
business, or with the Debtor's products and services, or in which the Debtor has
any right, title or interest, or (c) are in the future adopted, acquired, owned,
held and used by the Debtor in the Debtor's business or with the Debtor's
products and services, or in which the Debtor in the future acquires any right,
title or interest.

                (xiv) all patents and patent applications, whether United States
or foreign, that are owned by the Debtor or in which the Debtor has any right,
title or interest, now or in the future, including but not limited to: (a) the
patent and patent applications listed on Schedule F hereto; (b) all letters
                                         ----------
patent of the United States or any other country, and all applications for
letters patent of the United States or any other country; (c) all re-issues,
continuations, divisions, continuations-in-part, renewals or extensions thereof;
(d) the inventions disclosed or claimed therein, including the right to make,
use, practice and/or sell (or license or otherwise or transfer or dispose of)
the inventions disclosed or claimed therein; and (e) the right (but not the
obligation) to make and prosecute applications for such patents (collectively,
the "Patents").

                 (xv) all other tangible or intangible personal property;

                (xvi) all accessions as such term is defined in Section 9-314 of
the UCC and additions to any or all of the foregoing, all substitutions and
replacements for any or all of the foregoing; and

               (xvii) proceeds or products of any or all of the foregoing.

     21.  Obligations Secured.  The security interest granted hereby shall
          -------------------                                             
secure all obligations of the Borrowers, whether now existing or hereafter
arising, under the Credit Agreement, the Notes issued thereunder, and all other
Loan Documents (the "Obligations").

     22.  Representations and Warranties.  The Debtor hereby makes the
          ------------------------------                              
following representations and warranties which shall be deemed to be repeated
and confirmed upon the creation or acquisition by the Debtor of each item of
Collateral and upon the creation of any Obligation:
<PAGE>
 
     (a)  except for the security interest of the Bank therein and except for
Permitted Liens, the Debtor is, and as to Collateral acquired from time to time
after the date hereof the Debtor will be, the owner of all the Collateral, free
from any lien, security interest, encumbrance or other right, title or interest
of any person or entity;

     (b)  appropriate financing statements with respect to the security interest
created hereunder in the Collateral have been duly executed and delivered by the
Debtor to the Bank and will be filed in all appropriate offices; no filing of
any other financing statements or other instruments and no recording, filing or
indexing of this Agreement is necessary or appropriate in order to preserve,
protect and perfect the liens and security interests created by this Agreement
in the Collateral as legal, valid and enforceable perfected liens and security
interests in the Collateral superior and prior to the rights of all other
Persons therein.

     (c)  there is no financing statement (or similar statement or instrument of
registration under the law of any jurisdiction) now on file or registered in any
public office covering any interest of the Debtor in the Collateral, or intended
so to be, other than those listed in Schedule B hereto, and so long as the
                                     ----------                           
Debtor may borrow from the Bank or any of the Obligations remain unpaid the
Debtor will not execute and there will not be on file in any public office any
financing statement (or similar statement or instrument of registration under
the law of any jurisdiction) relating to the Collateral, except (i) financing
statements filed or to be filed in respect of the security interests in the
Collateral granted hereunder to the Bank and (ii) financing statements filed in
respect of Permitted Liens;

     (d)  the chief executive office and principal place of business of the
Debtor is located at the address set forth next to its signature below.  The
originals of all documents (as well as all duplicates thereof) evidencing all
Receivables and the only original books of account and records of the Debtor
relating thereto are kept at said chief executive office or at the location set
forth for the Debtor in Schedule C hereto.  All Inventory consisting of finished
                        ----------                                              
goods and all Equipment of the Debtor, if any, is held on the date hereof at the
locations specified for the Debtor in Schedule A hereof; and
                                      ----------            

     23.  Covenants of the Debtor.  (a)  At all reasonable times the Bank shall
          -----------------------                                              
have full access to, and the right to audit, check, inspect and make abstracts
and copies of, the Debtor's books, records, audits, correspondence and all other
papers and computer files, disks and tapes and programs relating to the
Collateral.  The Bank shall have the right to confirm and verify the Receivables
and other Collateral and to do whatever the Bank may deem reasonably necessary
in its reasonable discretion to protect the interests of the Bank.  The Bank or
its agent may enter from time to time the premises of the Debtor at any
reasonable time during normal business hours for the purpose of inspecting the
Collateral and any and all records pertaining thereto.

     (b)  The Debtor will keep the Equipment, at its cost and expense, in good
operating repair and condition, and will not misuse, abuse or waste the
Equipment or allow the Equipment to deteriorate (or permit any of the
foregoing), except for normal wear and tear in the ordinary course of business,
and will make the Equipment available for inspection by the Bank at all
reasonable times during normal business hours.

     (c)  The Debtor will not create, permit or suffer to exist, and the Debtor
will defend the Collateral against and take such other action as is reasonably
necessary to remove, any lien, security interest or encumbrance on the
Collateral other than Permitted Liens and will defend the 
<PAGE>
 
right, title and interest of the Bank in and to any of the Debtor's rights to
the Collateral against the claims and demands of all persons whomsoever claiming
an interest therein adverse to the Bank.

    (d)   The Debtor will not change the location specified on Schedules A and C
                                                               -----------------
hereof of its chief executive office, principal place of business or the office
where records concerning the Receivables are kept and the Debtor will not keep
Equipment or Inventory (other than any such Inventory in transit) at any
location other than the locations specified in Schedule A hereto until, in each
                                               ----------                      
case, (i) the Debtor shall have given to the Bank not less than 30 days' prior
written notice of its intention so to do, clearly describing such new location
and providing such other information in connection therewith as the Bank may
reasonably request, and (ii) with respect to such new location, the Debtor shall
have taken such action, reasonably satisfactory to the Bank (including, without
limitation, the delivery of additional financing statements duly signed by the
Debtor), to maintain the security interest of the Bank in the Collateral at all
times senior and fully perfected and in full force and effect.  With respect to
Inventory, action reasonably satisfactory to the Bank shall mean prior to
implementing such proposal such Debtor furnishes to the Bank all UCC financing
statements and other documents specified by the Bank as reasonably necessary to
continue the Lien of the Bank on the Inventory as a first and perfected senior
Lien.  The Debtor Borrower shall not in any event keep Inventory (other than any
such Inventory in transit) at any location other than the locations specified in
                                                                                
Schedule A if to do so would cause the Bank's Lien on such Inventory to cease
- ----------                                                                   
being a first and perfected senior Lien.

     (e)  The Debtor will furnish to the Bank within ten (10) days of any
request therefor by the Bank, statements (in form, substance and detail
reasonably satisfactory to the Bank) of all Receivables of the Debtor (including
any aging thereof), itemized by account debtor, and of the location (and
aggregate book value at each such location) of all Inventory and Equipment of
the Debtor, each such statement to be certified by its chief financial officer,
and, promptly from time to time, such other information as the Bank may
reasonably request regarding the Collateral and the Debtor's operations,
business, affairs and financial condition.

     (f)  The Debtor will, at its own expense, make, execute, endorse,
acknowledge, file or deliver to the Bank from time to time such lists,
descriptions, schedules, invoices, warehouse receipts, bills of confirmatory
assignments, conveyances, financing statements, transfer endorse ments, powers
of attorney, certificates, reports and other assurances or instruments and take
such further steps relating to the Collateral and other property or rights
covered by the security interest hereby granted as the Bank deems reasonably
appropriate or advisable to perfect, preserve or protect its security interest
in the Collateral.

     24.  Special Provisions Concerning Receivables.  (a)  As of the time when
          -----------------------------------------                           
each Receivable of the Debtor arises, the Debtor shall be deemed to have
warranted as to each such Receivable that such Receivable and all papers and
documents relating thereto are genuine and in all respects what they purport to
be, and that each such Receivable (i) will, to its knowledge, represent the
legal, valid and binding obligation of the account debtor thereon for the unpaid
amount owed by such account debtor for the sale and delivery by the Debtor of
the goods, or the performance by the Debtor of the services, listed therein,
(ii) will be the only original writings evidencing and embodying such obligation
of the account debtor named therein, (iii) will evidence obligations arising in
the ordinary course of the Debtor's business in one or more arm's-length
transactions, not subject to any stamp or other taxes, except as shall be
disclosed to the Bank, and (iv) will be, to the best knowledge of the Debtor, in
compliance and will conform with all 
<PAGE>
 
applicable federal, state and local laws. The Debtor shall use its best efforts
to take all steps necessary to preserve the liability of each account debtor,
guarantor, endorser, obligor or secondary party on or with respect to the
Receivables of the Debtor.

     (b)  The Debtor will keep and maintain, at the Debtor's own cost and
expense, satisfactory and complete records of the Receivables of the Debtor,
including, without limitation, records of all payments received, all credits
granted thereon, all merchandise returned and all other dealings therewith, and
the Debtor will make copies of the same available to the Bank, at the Debtor's
own cost and expense, at any and all reasonable times upon demand of the Bank.
At the request of the Bank (which request, if made before the occurrence of an
Event of Default, shall state that, in the opinion of the Bank (or the Bank's
legal counsel), the legend specified below is necessary to perfect or protect
the first priority of the security interests of the Bank in the Receivables),
the Debtor shall legend, in form and manner reasonably satisfactory to the Bank,
the Receivables of the Debtor and other books, records and documents of the
Debtor evidencing or pertaining to accounts receivable with an appropriate
reference to the fact that the Receivables of the Debtor have been assigned to
the Bank and that the Bank has a security interest therein.

     (c)  The Debtor will not rescind or cancel any indebtedness evidenced by
any Receivable or modify any material term thereof, or extend or renew the same,
or compromise or settle any dispute, claim, suit or legal proceeding relating
thereto, or sell any Receivable or interest therein, without the prior written
consent of the Bank, except as permitted by Paragraph 5(e) hereof.

     (d)  The Debtor will duly fulfill all obligations on its part to be
fulfilled under or in connection with the Receivables and will use due diligence
to preserve the rights of the Bank in the Receivables and will not knowingly do
anything to impair the rights of the Bank in the Receivables.

     (e)  The Debtor will use reasonable efforts to collect or cause to be
collected from the account debtor on each Receivable of the Debtor, as and when
due (including, without limitation, Receivables which are delinquent, such
Receivables to be collected in accordance with generally accepted lawful
collection procedures) any and all amounts owing under or on account of such
Receivable, except that prior to the occurrence of an Event of Default, the
Debtor may allow in the ordinary course of business as adjustments to amounts
owing under the Receivables of the Debtor (i) an extension or renewal of the
time or times of payment, or settlement for less than the total unpaid balance,
which the Debtor finds necessary in accordance with sound business and credit
judgment, and (ii) a refund or credit due as a result of returned or damaged
Inventory or improper or faulty performance of services.  The costs and expenses
(including attorneys' fees) of collection, whether incurred by the Debtor or the
Bank, shall be borne by the Debtor.

     (f)  The Debtor shall, promptly upon learning thereof, report to the Bank
all delays in performance, notices of default, claims made or disputes asserted
by any account debtor or other obligor on any Receivable of the Debtor or
instrument on which there is owing more than $25,000 and any other matters
materially affecting the value, enforceability or collectibility of any such
Receivable.

     (g)  After the occurrence and during the continuance of any Event of
Default, the Bank is authorized and empowered in its sole discretion to accept
the return of the goods, if any, represented by any Receivable of the Debtor or
contract rights, without notice to or consent by 
<PAGE>
 
the Debtor, all without discharging or in any way affecting the Debtor's
liability hereunder or on the Obligations.

     (h)  After the occurrence and during the continuance of any Event of
Default, the Bank shall have the right, without notice to (unless specifically
provided for herein), or assent by, the Debtor, but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) to notify any or all account debtors under any or all of the Receivables to
make payment thereof directly to the Bank for the account of the Debtor or the
Bank and to require the Debtor to forthwith give similar notice to the account
debtors; (ii) to demand, collect, sue for, receive, compound and give
acquittance for the Receivables or any part thereof; (iii) to extend the time of
payment of, compromise or settle for cash, credit or otherwise, and upon any
terms and conditions, any of the Receivables; (iv) to endorse the name of the
Debtor on any checks, drafts or other orders or instruments for the payment of
moneys payable to the Debtor which shall be issued in respect of any Receivable;
(v) to file any claims and commence, maintain or discontinue any actions, suits
or other proceedings deemed by the Bank in its reasonable discretion to be
necessary or advisable for the purpose of collecting or enforcing payment of any
Receivable; (vi) to execute any instrument and do any and all other things
necessary and proper to protect and preserve and realize upon the Receivables
and the other rights contemplated hereby; (vii) to require the Debtor to
forthwith account for and transmit to the Bank in the same form as received all
proceeds (other than physical property) of collection of Receivables received by
the Debtor and, until so transmitted, to hold the same in trust for the Bank and
not commingle such proceeds with any other funds of the Debtor; (viii) to
require the Debtor to deliver, at the Debtor's expense, any or all papers,
documents, correspondence, records and computer programs and tapes and other
electronic data processing software evidencing or relating to the Receivables to
the Bank at a place designated by the Bank (and after delivery thereof the
Debtor shall have no further claim to or interest in such Receivables); (ix) to
notify the post office authorities to change the address for delivery of mail
addressed to the Debtor to such address as the Bank may designate; and (x) to do
all other acts and things reasonably necessary to carry out this Agreement.  The
Bank shall not be obligated to do any of the acts hereinabove authorized, but in
the event that the Bank elects to do any such act, the Bank shall not be
responsible to the Debtor except for its gross negligence or willful misconduct.

     (i)  If any Receivable of the Debtor becomes evidenced by a promissory note
or similar instrument in the sum of more than $25,000, the Debtor will notify
the Bank thereof, and upon request by the Bank will promptly deliver such
instrument to the Bank appropriately endorsed to the order of the Bank as
further security for the payment in full of the Obligations.

     25.  Special Provisions Concerning Inventory and Equipment.  (a)  The
          -----------------------------------------------------           
Debtor will at all times keep all of its Inventory and Equipment, if any,
insured at the expense of the Debtor, to the Bank's satisfaction, against fire,
theft, and all other risks to which such Inventory and Equipment may be subject;
all policies or certificates with respect to such insurance shall be endorsed to
the Bank's reasonable satisfaction for the benefit of the Bank to the extent of
its interest therein (including, without limitation, by naming the Bank as loss
payee), provided that the Debtor may be the loss payee for all payments under
said insurance with respect to any casualty involving a loss of less than
$50,000, and evidence of such insurance satisfactory to the Bank shall be
deposited with the Bank.  If the Debtor shall fail to insure its Inventory and
Equipment to the Bank's reasonable satisfaction, or if the Debtor shall fail to
so endorse and deposit all policies or certificates with respect thereto in
accordance herewith, the Bank shall have the right (but shall be under no
obligation) to procure such insurance and the Debtor agrees to 
<PAGE>
 
reimburse the Bank for all costs and expenses of procuring such insurance. The
Bank may apply any proceeds of such insurance with respect to the Inventory and
Equipment, when received by it, toward the payment of any of the Obligations
owing by the Debtor, whether or not the same shall then be due; provided,
                                                                --------
however, that so long as no Event of Default or material Default shall have
- -------
occurred and be continuing when the Bank receives such proceeds, the Bank shall
forward any such proceeds received by it to the Debtor, at the Debtor's request,
for application to the cost of repairing or replacing the items of Inventory or
Equipment in respect of which such proceeds were paid. The Debtor shall give
immediate written notice to the insurers (and in the case of a loss or damage
involving more than $25,000, to the Bank) of any loss or damage to the
Collateral or any part thereof and shall promptly file all necessary or
appropriate proofs of loss with the insurers. The Debtor hereby appoints the
Bank the attorney-in-fact for the Debtor in obtaining, adjusting and cancelling
any such insurance and endorsing settlement drafts.

     (b)  The Debtor will prevent, by all reasonable action or actions as may be
necessary, any of the Equipment (other than Equipment located on property owned
by the Debtor and subject to a mortgage in favor of the Bank) from becoming
fixtures under the laws of the jurisdiction where such Equipment is located.
The Debtor will, if requested by the Bank, use reasonable efforts to obtain
waivers or subordinations of liens, in form satisfactory to the Bank, from each
lessor, each sublessor and each mortgagee of each lessor and sublessor whose
mortgage was executed prior to the lease from such lessor or sublessor, of real
property on which any of the Equipment is or may be located, and will perform
all other acts the Bank may request to maintain the Equipment apart from any
realty.

     (c)  The Bank shall have the right upon the occurrence of an Event of
Default which shall be continuing, without notice to (unless specifically
provided for herein), or assent by, the Debtor but without affecting the
Obligations, in the name of the Debtor or in the name of the Bank or otherwise:
(i) upon notice to such effect, to require the Debtor to deliver, at the
Debtor's expense, any or all of the Inventory and Equipment to the Bank at a
place designated by the Bank (and after delivery thereof the Debtor shall have
no further claim to or interest in such Inventory and Equipment); (ii) to take
possession of any or all of the Inventory and Equipment of the Debtor and, for
that purpose, to enter, with the aid and assistance of any Person, any premises
where the Inventory or Equipment, or any part thereof, is, or may be, placed or
assembled, and to remove any of such Inventory and Equipment, to render the
Equipment unusable or to dispose of or store the Inventory and Equipment in such
premises at the cost and expense of the Debtor; and (iii) to execute any
instrument and do all the things necessary and proper to protect and preserve
and realize upon the Inventory and Equipment and the other rights contemplated
hereby.  The Bank shall not be obligated to do any of the acts hereinabove
authorized, but in the event that the Bank elects to do any such act, the Bank
shall not be responsible to the Debtor except for the Bank's gross negligence or
willful misconduct.  It is hereby understood that the Debtor's obligation so to
deliver the Collateral or any portion thereof is of the essence of this
Agreement and that, accordingly, upon the application to a court of equity
having jurisdiction, the Bank shall be entitled to a decree requiring specific
performance by the Debtor of said obligation.

     (d)  Upon taking possession of any Equipment or Inventory pursuant hereto
following the occurrence of an Event of Default, the Bank shall have the right
to hold, store or use, operate, manage and control such Equipment and Inventory.
Upon any such taking of possession by the Bank of any Equipment or Inventory,
the Bank may, from time to time at the expense of the Debtor, make all such
repairs, replacements, alterations, additions and improvements to any of such
Equipment and Inventory as the Bank may deem reasonably proper.  In any such
case, the 
<PAGE>
 
Bank shall have the right to manage and control such Inventory and Equipment and
to carry on the business and exercise all rights and powers of the Debtor
respecting the Inventory and Equipment, all as the Bank shall deem best; and the
Bank shall be entitled to collect and receive all rents, issues, profits, fees,
revenues and other income of the same and every part thereof. Such rents,
issues, profits, fees, revenues and other income shall be applied to pay the
expenses incurred in (i) holding and operating such Equipment and Inventory;
(ii) performing all maintenance, repairs, replacements, alterations, additions
and improvements which the Bank may be required or elect to make, if any; and
(iii) paying all taxes, assessments, insurance and other charges upon such
Equipment and Inventory or any part thereof, and all other payments, which the
Bank may be required or authorized or elect to make (including reasonable fees
and disbursements of the Bank's counsel). Any remaining rents, issues, profits,
fees, revenues and other income shall be applied to the payment of the
Obligations in accordance with Paragraph 11 hereof.

     (e)  Notwithstanding any other provision of this Agreement to the contrary,
prior to the occurrence of an Event of Default, the Debtor may, in the ordinary
course of business, dispose of any item of Equipment or Inventory which is
subject to the security interest granted by the Debtor to the Bank under this
Agreement, free of such security interest, without any further act of the Bank.

     26.  Financing Statements; Documentary Stamp Taxes.  (a) The Debtor agrees
          ---------------------------------------------                        
to sign and deliver to the Bank such financing statements, in form reasonably
acceptable to the Bank, as the Bank may from time to time request as are
necessary in the reasonable opinion of the Bank to establish and maintain a
valid, enforceable and perfected security interest in the Collateral and the
other rights and security contemplated hereby which is superior and prior to the
rights of all third persons.  The Debtor will pay any applicable filing fees and
related expenses.  The Debtor authorizes the Bank to file any such financing
statements without the signature of the Debtor.

     (b)  The Debtor agrees to procure, pay for, affix to any and all documents
and cancel any documentary tax stamps or similar taxes required by, and in
accordance with, applicable law and the Debtor will indemnify and hold the Bank
harmless against any liability (including interest and penalties) in respect of
such taxes.

     27.  Additional Provisions Concerning the Marks.  (a)  Debtor represents
          ------------------------------------------                         
and warrants that it is the true and lawful owner of the Marks listed in
Schedule D attached hereto and that said Marks constitute all the Marks that
- ----------                                                                  
Debtor now owns.  Debtor further represents and warrants that it is a licensee
under the Marks listed in such Schedule D and that said Marks constitute all the
                               ----------                                       
Marks under which Debtor is licensed.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any right in or affecting a Mark, whether or not such right is
presently held by Debtor.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent details available to it, with respect to any material
infringement or other material violation of Debtor's right in any Mark, whether
or not such right is presently held by Debtor. As to each such instance, absent
the Bank's authorization to proceed otherwise, Debtor shall diligently and to
the extent permitted by law pursue a remedy.  Promptly upon learning thereof,
Debtor shall notify the Bank of all pertinent details available to it regarding
any claim that Debtor's use of any Mark violates the property right of another.
<PAGE>
 
     (d)  As to all Marks as to which Debtor has or shall have title, and at its
own expense, Debtor shall comply with all requirements for maintaining
registration, including but not limited to the filing of affidavits and seeking
of renewals.  Without prior written consent of the Bank, Debtor shall not
abandon any such filing of an affidavit of use or any such application of
renewal, prior to exhaustion of all administrative and judicial remedies.  Six
months prior to due dates for affidavits of use, or applications for renewal of
registrations, Debtor shall notify the Bank that such affidavits or applications
are being processed.

     (e)  If Debtor hereafter becomes the owner of any Mark, then within 30 days
of becoming the owner of such Mark, or as soon thereafter as reasonable, Debtor
shall deliver to the Bank a certificate of registration or copy of the
application, and a grant of security in such Mark in favor of the Bank,
confirming the grant thereof hereunder.  If Debtor hereafter secures a license
under any Mark, then within 30 days of execution of the license agreement,
Debtor shall deliver to the Bank a copy of the certificate of registration or of
the application, and a grant of security in Debtor's rights under such
agreement, confirming the grant thereof hereunder.  The form of any confirmatory
grants shall be in a form satisfactory to the Bank.

     (f)  If an Event of Default shall occur and be continuing, the Bank may by
written notice to Debtor take any or all of the following actions: (a) declare
Debtor's entire right, title, and interest in any Marks under which Debtor has
an interest to be vested, in which event such right, title, and interest shall
immediately vest in the Bank, and Debtor shall execute an assignment, in form
and substance satisfactory to the Bank, of all its rights, title, and interest
under such Marks to the Bank; (b) take and use or sell Debtor's rights in said
Marks, along with the goodwill, assets secured under this agreement, and all
other elements of Debtor's ongoing business symbolized by the Marks and secured
under this Assignment, and the right to carry on the business of the Debtor in
connection with which these Marks have been used; and (c) direct Debtor to
refrain, in which event Debtor shall refrain, from using the Marks in any
manner, directly or indirectly, and if requested by the Bank, Debtor shall
change its corporate name to eliminate therefrom any use of any Mark, and
execute any other and further documents which the Bank may request further to
confirm the foregoing and to transfer to the Bank ownership of Debtor's rights
to such Marks.

     28.  Additional Provisions Concerning Patents. (a)    Debtor represents and
          ----------------------------------------                              
warrants that it is the true and lawful, exclusive owner of the Patents listed
on Exhibit F attached hereto, and that said Patents constitute all Patents which
Debtor now owns.

     (b)  Absent prior written consent of the Bank, Debtor shall not divest
itself of any rights under any Patents material to its business, whether or not
Debtor currently holds such rights.

     (c)  Promptly upon learning thereof, Debtor shall notify the Bank in
writing of all pertinent information available to it regarding any infringement
or other violation of any of Debtor's rights under any Patent material to the
business of the Debtor, whether or not Debtor currently has such rights.  Absent
the Bank's authorization to do otherwise, and to the extent permitted by law,
Debtor shall diligently pursue a remedy.  Promptly upon learning thereof, Debtor
shall notify the Bank in writing of any claim that any activity of Debtor
infringes or otherwise violates the right of any third party with respect to the
Patent.
<PAGE>
 
     (d)  At its own expense, Debtor shall cause to be timely paid all post-
issuance fees required in order to maintain in force rights under the Patents
material to the business of Debtor, pursuant to 35 U.S.C. (S) 6.

     (e)  If Debtor hereafter acquires rights in any Patent not shown in Exhibit
F, Debtor shall deliver to the Bank within 30 days, a copy of the Patent, and a
grant of security on such Patent in favor of the Bank confirming the grant
thereof hereunder, the form of such confirmatory grant to be substantially in
the form in Schedule F hereto.
            ----------        

     (f)  If an Event of Default shall occur and be continuing, the Bank by
written notice to Debtor may take any or all of the following actions:  (a)
declare the entire right, title, and interest of Debtor in each of the Patents
vested, in which event such right, title, and interest shall immediately vest in
the Bank, in which case Debtor agrees to execute an assignment, in form and
substance satisfactory to the Bank, of all its rights, title, and interest in
and to such Patent rights to the Bank; (b) take and practice or sell the Patent
rights; and (c) directly or indirectly, will execute such other and further
documents as the Bank may request further to confirm the foregoing and to
transfer ownership of the Patent rights.

     29.  Additional Provisions Concerning Remedies and Sale of Collateral.
          ----------------------------------------------------------------  
(a)  In addition to any rights and remedies contained herein or now or hereafter
granted under applicable law and not by way of limitation of any such rights and
remedies, upon the occurrence of an Event of Default which shall be continuing,
the Bank shall have all of the rights and remedies of a secured party under the
UCC.  The Bank may take legal proceedings for the appointment of a receiver or
receivers (to which the Bank shall be entitled as a matter of right) to take
possession of the Collateral pending the sale thereof pursuant either to the
powers of sale granted by this Agreement or to a judgment, order or decree made
in any judicial proceeding for the foreclosure or involving the enforcement of
this Agreement.

     (b)  Upon the occurrence of any Event of Default which shall be continuing,
the Bank shall have the right to seize and take possession of any Collateral
(and any paper, documents, correspondence, computer files, disks, tapes and
programs and other electronic data processing software relating to the
Collateral), and may enter the premises where they, or any of them, are located
for the purpose of effecting such seizure.  The Bank shall not be liable to the
Debtor for any damage suffered by the Debtor by reason thereof and the Debtor
shall indemnify the Bank for any liability which may accrue to any person by
reason of such entry or seizure, except for liability arising out of the gross
negligence or willful misconduct of the Bank.  At any time or from time to time
after the occurrence of an Event of Default which shall be continuing the Bank
may hire and maintain on any of the premises of the Debtor a custodian or
independent contractor selected by the Bank who shall have full authority to do
all lawful acts necessary to protect the interests of the Bank and to report to
the Bank thereon.  The Debtor hereby agrees to cooperate with any such person
and to do whatever the Bank may reasonably request to preserve the Collateral of
the Debtor.  All expenses incurred by the Bank by reason of the employment of
any such persons shall be a part of the Obligations.

     (c)  Upon the occurrence of an Event of Default which shall be continuing
the Bank may, without obligation to resort to other security, at any time and
from time to time, sell, re-sell, assign and deliver all or any of the
Collateral, in one or more parcels at the same or different times, and all
right, title and interest, claim and demand therein and right of redemption
thereof, at public or private sale, for cash, upon credit or for future
delivery, and at such price or prices 
<PAGE>
 
and on such terms as the Bank may determine, with the amounts realized from any
such sale to be applied in the manner provided in Section 9 hereof. The Debtor
hereby agrees that all of the foregoing may be effected without demand,
advertisement or notice (except as required by law or as expressly provided
herein), all of which (to the extent permitted by law) are hereby expressly
waived. Upon any sale of any of the Collateral, whether made under the power of
sale hereby given or under judgment, order or decree in any judicial proceeding
for the foreclosure involving the enforcement of this Agreement, (i) the Bank
may bid for the property being sold, and upon compliance with the terms of sale
may hold, retain and possess and dispose of such property in its own absolute
right without further accountability, and may, in paying the purchase money
therefor, discharge a portion of the Obligations owing to the Bank in an amount
equal to such purchase price in lieu of cash in payment of the amount which
shall be payable thereon; (ii) the Bank may make and deliver to the purchaser or
purchasers a good and sufficient deed, bill of sale and instrument of assignment
and transfer of the property sold; (iii) the Bank is hereby irrevocably
appointed the true and lawful attorney-in-fact of the Debtor in its name and
stead, to make all necessary deeds, bills of sale and instruments of assignment
and transfer of the property thus sold and for such other purposes as are
necessary or desirable to effectuate the provisions of this Agreement, and for
that purpose the Bank may execute and deliver all necessary deeds, bills of sale
and instruments of assignment and transfer, and may substitute one or more
Persons with like power, the Debtor hereby ratifying and confirming all that its
said attorney, or such substitute or substitutes, shall lawfully do by virtue
hereof; but if so requested by the Bank or by any purchaser, the Debtor shall
ratify and confirm any such sale or transfer by executing and delivering to the
Bank or such purchaser all deeds, bills of sale, instruments of assignment and
transfer and releases as may be designated in any such request; (iv) all right,
title, interest, claim and demand whatsoever, either at law or in equity or
otherwise, of the Debtor of, in and to the property so sold shall be divested
and such sale shall be a perpetual bar both at law and in equity against the
Debtor, its successors and assigns, and against any and all Persons claiming or
who may claim the property sold or any part thereof from, through or under the
Debtor, its successors or assigns; (v) the receipt of the Bank or of the officer
thereof making such sale shall be a sufficient discharge to the purchaser or
purchasers at such sale for his or their purchase money, and such purchaser or
purchasers, and his, its or their assigns or personal representatives, shall
not, after paying such purchase money and receiving such receipt of the Bank or
of such officers thereof, be obligated to see to the application of such
purchase money or be in anywise answerable for any loss, misapplication or non-
application, thereof.

     (d)  To the extent that it may lawfully do so, the Debtor agrees that it
will not at any time insist upon, or plead, or in any manner whatsoever claim or
take the benefit or advantage of, any appraisement, valuation, stay, extension
or redemption laws, or any law permitting it to direct the order in which the
Collateral or any part thereof shall be sold, now or at any time hereafter in
force, which may delay, prevent or otherwise affect the performance or
enforcement of this Agreement or the Obligations, and the Debtor hereby
expressly waives all benefit or advantage of any such laws and covenants that it
will not hinder, delay or impede the execution of any power granted or delegated
to the Bank in this Agreement, but will suffer and permit the execution of every
such power as though no such laws were in force.  In the event of any sale of
Collateral pursuant to this Agreement by the Bank, the Bank shall, at least ten
(10) days before such sale, give the Debtor written, telegraphic or telex notice
of its intention to sell, except that, if the Bank shall determine in its sole
discretion that any of the Collateral is perishable or threatens to decline
speedily in value, any such sale may be made upon one (1) day's written,
telegraphic, telecopy or telex notice to the Debtor.
<PAGE>
 
     (e)  The Debtor agrees that at any time during the occurrence of any Event
of Default, which shall be continuing, thereof, any of the moneys, deposit
balances and other property of the Debtor held by, or coming into the possession
of, the Bank may be applied (including, without limitation, by way of set-off)
by the Bank to the reduction of the Obligations to the Bank.

     30.  Application of Moneys; Reassignment of Collateral.  Except as
          -------------------------------------------------            
otherwise provided herein, all moneys which the Bank shall receive pursuant to
this Agreement or with respect to the Collateral shall be applied in the
following manner: first, to the payment of all costs and expenses incurred in
                  -----                                                      
connection with the administration and enforcement of, or the preservation of
any rights under, this Agreement and the realization on such Collateral
(including, without limitation, the fees and disbursements of the Bank's counsel
and agents); and, second, to the payment of all other Obligations in such order
                  ------                                                       
and manner as the Bank shall determine.  The balance, if any, of such moneys
shall be paid over to the Debtor or as otherwise required by law or as directed
by a court of competent jurisdiction.  Upon the payment in full of the
Obligations and the termination of the Bank's obligation to make Loans under the
Credit Agreement, all Collateral of the Debtor not sold or otherwise disposed of
pursuant hereto shall, at the request of the Debtor and at the sole cost and
expense of the Debtor, be reassigned by the Bank to the Debtor (or as otherwise
directed by a court of competent jurisdiction) without recourse and without any
representations, warranties or agreements of any kind (other than a
representation that the Bank has not assigned or transferred the Collateral so
reassigned or its security interests therein, except as contemplated hereby or
by the Credit Agreement).  The Debtor shall remain liable to the Bank for any
deficiency remaining on the Obligations owing to the Bank after the aforesaid
application of such moneys to the Obligations.

     31.  Exercise of Rights.  The Bank shall have the right in its sole
          ------------------                                            
discretion to determine which rights, security, liens, guarantees, security
interests or remedies it shall retain, pursue, release, subordinate, modify or
take any other action with respect thereto, without in any way modifying or
affecting any of the other of them or any of the Bank's rights hereunder.

     32.  Waivers, Amendments, Required Notices.  The Debtor hereby waives
          -------------------------------------                           
notice of acceptance of this Agreement, notice of nonpayment of any Obligations
or of any Receivables or of any instrument relating thereto, demand,
presentment, protest and notice thereof with respect to any and all instruments,
notice of Collateral received or delivered, or any other action taken in
reliance hereon and all other demands and notices of any description, except
such as are expressly provided for herein or which by applicable law may not be
waived on the date hereof. No failure on the part of the Bank to exercise, and
no delay in exercising, any right, power or remedy hereunder shall operate as a
waiver thereof or as a waiver of any Event of Default, nor shall any single or
partial exercise by the Bank of any right, power or remedy hereunder or with
respect to the Obligations preclude any other or further exercise thereof or the
exercise of any other right, power or remedy.  No amendment or modification of
this Agreement nor any waiver of any provision of this Agreement or consent to
any departure by the Debtor therefrom shall in any event be effective unless the
same shall be in writing and signed by the Bank, and then any such waiver or
consent shall be effective only in the specific instance and for the purpose for
which given.  No notice to or demand on the Debtor in any case shall, of itself,
entitle the Debtor to any other or further notice or demand in similar or other
circumstances.  If notice, whether before or after any default by the Debtor
hereunder has occurred, is required by law or by the provisions of this
Agreement to be given by the Bank to the Debtor, the Debtor agrees that five (5)
Business Days' notice given in the manner provided below shall be reasonable
notice.
<PAGE>
 
     33.  Cumulative Remedies.  This Agreement and the liens and security
          -------------------                                            
interests of the Debtor granted hereunder are in addition to and not in
substitution for any security interests and collateral now or hereafter held by
or on behalf of the Bank to secure the Obligations of the Borrowers and shall
not affect the rights, remedies or powers of the Bank in respect of any
Obligation held by the Bank.  The remedies herein provided are cumulative and
are not exclusive of any remedy provided by law.

     34.  Notices.  (a)  Any notice, demand or communication hereunder shall be
          -------                                                              
given in writing (including facsimile transmission or telex) and mailed or
delivered to each party at its address set forth in the Credit Agreement, or, as
to each party, at such other address as shall be designated by such party by a
prior notice to the other parties in accordance with the terms of this Section
15.  (b)  All notices hereunder shall be effective (i) five (5) Business Days
after such notice is mailed, by registered or certified mail, postage prepaid
(return receipt requested), (ii) upon delivery by hand, and (iii) in the case of
any notice or communication by telex, facsimile transmission or cable, on the
date when sent, and answerback or confirmation, as the case may be, is received.

     35.  Costs and Expenses.  (a)  The Debtor hereby agrees to pay on demand
          ------------------                                                 
all reasonable out-of-pocket costs and expenses (including without limitation
the reasonable fees and disbursements of counsel for the Bank) incurred by the
Bank in connection with (i) the preparation and administration of this
Agreement, (ii) the enforcement of this Agreement and the security interests
granted hereunder, (iii) any filings or recordings with respect to the security
interests granted hereunder (including all filing and recording fees, stamp
taxes, recording taxes and intangible property taxes), (iv) the receipt of
proceeds of the Receivables hereunder, (v) the care and preservation of the
Collateral, and (vi) the preparation of any requested amendments to this
Agreement or waivers or consents in connection herewith.  Any such expenses so
incurred by the Bank shall be secured hereby and be a part of the Obligations.

     (b)  If any Lien or tax shall be claimed with respect to the Collateral
which in the opinion of the Bank may possibly create a valid obligation having
priority over the security interest granted to any of them herein, the Bank may
(but shall have no obligation to) in its reasonable discretion and without
notice to the Debtor pay such taxes or the amount secured by such lien and the
amount of such payment shall be charged to the Debtor's account and added to the
Obligations secured hereby; provided, however, that the Bank shall not make such
                            --------  -------                                   
payment with respect to any Lien or tax being contested in good faith by the
Debtor by appropriate proceedings if (i) such proceedings shall suspend the
enforcement of such Lien or collection of such tax, (ii) no part of the Debtor's
rights in and under the Collateral shall be subject to sale, forfeiture or
diminution, and (iii) the Debtor shall have furnished such security as may be
required in the proceedings or reasonably requested by the Bank.

     (c)  Upon any failure by the Debtor to perform any of its duties and
obligations hereunder, the Bank may, but shall not be obligated to, perform any
or all of such duties, and the Debtor shall pay to the Bank, forthwith upon
written demand therefor, an amount equal to the cash or out-of-pocket expense
incurred by the Bank in so doing plus interest thereon from the date such
expense is incurred until it is paid at a rate equal to the highest rate of
interest payable by the Borrower from time to time on the Obligations of the
Borrower under the Credit Agreement and the Notes issued thereunder.
<PAGE>
 
     36.  Successors and Assigns, Governing Law, Survival.  This Agreement
          -----------------------------------------------                 
shall be governed by, and construed in accordance with, the laws of the State of
New York, shall inure to the benefit of and shall be binding upon the Bank and
the Debtor and their respective successors and assigns and shall continue in
full force and effect so long as the Credit Agreement remains in effect and
until all of the Obligations have been satisfied in full.  The Debtor may not
assign its rights or obligations hereunder or the Collateral or any portion
thereof without the prior written consent of the Bank.  All covenants,
agreements, representations and warranties made herein shall survive the
execution and delivery of this Agreement and shall continue in full force and
effect until all of the Loans and all other Obligations of each Borrower under
the Credit Agreement, the Notes and any Loan Document have been paid in full and
the Commitments have been terminated.

     37.  Severability.  If any part of this Agreement is contrary to,
          ------------                                                
prohibited by or deemed invalid under any applicable law of any jurisdiction,
such provision shall, as to such jurisdiction, be inapplicable and deemed
omitted to the extent so contrary, prohibited or invalid, without invalidating
the remainder hereof or affecting the validity or enforceability of such
provision in any other jurisdiction.

     38.  No Assumption of Duties; Limitation on Liabilities.  (a)  Nothing
          --------------------------------------------------               
herein contained shall be construed to constitute the Bank as the Debtor's agent
for any purpose whatsoever except for the limited purposes of receiving proceeds
of the Collateral as provided above.  The Bank does not assume, by anything
contained herein or in any assignment or otherwise, the Debtor's obligations
under any Receivable or other Collateral or any contract or agreement relating
thereto, and the Bank shall not be responsible in any way for the Debtor's
performance of any of the terms and conditions thereof.

     (b)  Neither the Bank nor any of its directors, officers, agents or
employees shall be liable to any Person for any action taken or omitted by the
Bank or any of its officers, directors, employees or agents hereunder or with
respect to any transaction contemplated by this Agreement, except for the Bank's
or such officers', directors', employees' or agents' gross negligence or will
ful misconduct.  Without limiting the generality of the foregoing, the Bank
shall not be responsible or liable for any shortage, discrepancy, damage, loss
or destruction of any part of the Collateral wherever the same may be located
and regardless of the cause thereof unless due to the Bank's gross negligence or
willful misconduct.  The Bank shall not, under any circumstances except for its
gross negligence or willful misconduct, have any liability for any error or
omission or delay of any kind occurring in the settlement, collection or payment
of any of the Receivables or any instrument received in payment thereof or for
any damage resulting therefrom.
<PAGE>
 
     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed and delivered by their duly authorized officers as of the date first
above written.



Address:                                    JACKBURN MFG., INC.
- ------- 
Jackburn Mfg., Inc.
438 Church Street
Girard, PA  16417
Fax No.: 814-774-2854                       By:    /s/ Frederick A. Rossetti
         -------------                          --------------------------------
Attn.:   Joseph Heid                            Name:  Frederick A. Rossetti 
         -------------                          Title: President            
                                         

Address:                                    FLEET BANK N.A.
- -------
1133 Avenue of the Americas
New York, New York 10036
Fax No.:  (212) 907-5162                                                      
Attn.:  John M. Tuohy                                                         
                                            By:    /s/ John M. Tuohy   
                                                --------------------------------
                                                Name:  John M. Tuohy  
                                                Title: Vice President
<PAGE>
 
                                                                      SCHEDULE A
                                                                      ----------
                                                           to Security Agreement

                             Location of Inventory
                             ---------------------

Jackburn Mfg., Inc.                          Jackburn Mfg., Inc.   
438 Church Street                            321 Main Street W.    
Girard, PA  16417                            Girard, PA 16417       

Jackburn Mfg., Inc.                          Remote Warehouse Locations:  
Girard Tool & Die Division                   --------------------------- 
Jackburn Mfg., Inc.                                                      
410 Shenango Street                          Jackburn Mfg. Inc.
Girard, PA 16417                             Girard Area Industrial Development
                                             227 Hathaway Street E.           
                                             Girard, PA 16417        

                                             Sub-Lease:                    
                                             ----------                    
                                             Phoenix Oil Refinery, Inc.    
                                             d/b/a Phoenix Corporation     
                                             1040 Cornelia Street          
                                             Nashville, TN 37217            
                               
                               
                             Location of Equipment
                             ---------------------

Jackburn Mfg., Inc.                          Remote Warehouse Locations: 
438 Church Street                            ---------------------------  
Girard, PA  16417                            
                                             Jackburn Mfg., Inc.         
                                             Girard Area Industrial Development
Jackburn Mfg., Inc.                          227 Hathaway Street E.           
Girard Tool & Die Division                   Girard, PA 16417                
410 Shenango Street
Girard, PA 16417

Jackburn Mfg., Inc.
321 Main Street W.
Girard, PA 16417
                             
<PAGE>
 
                                                                      SCHEDULE B
                                                                      ----------
                                                           to Security Agreement

                                Permitted Liens
                                ---------------

<TABLE> 
<CAPTION> 
                DEBTOR   SECURED                             DESCRIPTION      PERMITTED
JURISDICTION    NAME     PARTY(IES)   NUMBER   DATE FILED    OF COLLATERAL    FILING 
- ------------    ----     ---------    ------   ----------    -------------    -----  
<S>             <C>      <C>          <C>      <C>           <C>              <C>
                         (None.)
</TABLE>   
 
 
<PAGE>
 
                                                                      SCHEDULE C
                                                                      ----------
                                                           to Security Agreement

                          Locations at Which Records
                     Regarding Receivables are Maintained
                     ------------------------------------



THT Inc.
- --------
33 Riverside Avenue, 5th Floor
Westport, CT  06880



Jackburn Mfg., Inc.
- -------------------
438 Church Street
Girard, PA  16417
     -and-
c/o THT Inc.
33 Riverside Avenue, 5th Floor
Westport, CT  06880
<PAGE>
 
                                                                      SCHEDULE D
                                                                      ----------
                                                           to Security Agreement


                   Trademarks, Service Marks and Copyrights
                           (including applications)
                           ------------------------



OWNER         MARK          REG. NO.          REG. DATE
- -----         ----          --------          ---------


                   None.
 
<PAGE>
 
                                                                      SCHEDULE E
                                                                      ----------
                                                           to Security Agreement



                            [INTENTIONALLY OMITTED]
<PAGE>
 
                                                                      SCHEDULE F
                                                                      ----------
                                                           to Security Agreement


                                    Patents
                                    -------


Owned by Setterstix Corporation:
- ------------------------------- 


Number                   Issued             Title
- ------                   ------             -----


        None.

<PAGE>
 
EXHIBIT 10.5
                                PROMISSORY NOTE
                                  (Term Loan)

$2,000,000                                                        March 27, 1997


     FOR VALUE RECEIVED, the undersigned, THT Inc., Setterstix Corporation and
Jackburn Mfg., Inc. (each being a "Borrower" and, collectively, the
                                   -------- 
"Borrowers"), hereby promise, jointly and severally, to pay to the order of
 ---------
FLEET BANK N.A. (the "Bank"), in lawful money of the United States of America,
                      ----
the principal sum of TWO MILLION DOLLARS ($2,000,000) as follows: (i) twenty
(20) consecutive equal quarterly installments on the last Business Day (as such
term is defined in the Credit Agreement referred to below) of each quarter,
commencing on June 30, 1997, each such installment to be in an amount equal to
$100,000, and (ii) a final installment of principal on March 31, 2002, in an
amount equal to the then outstanding principal amount of this Note.

     This Note shall bear interest from the date hereof on the unpaid principal
balance hereof at the rates, and payable on the dates, specified in the Credit
Agreement referred to below.

     Payments of both principal and interest on this Note shall be made in
immediately available funds at the office of the Bank at 1133 Avenue of the
Americas, New York, New York, or at such other place as the holder of this Note
shall designate by a notice in writing to the Borrower.

     If any amount hereunder is payable on a day that is not a Business Day, the
due date thereof shall be extended to the immediately succeeding Business Day
and interest thereon shall accrue during the period of such extension at the
rate provided in the Credit Agreement.

     This Note is the Term Note referred to in the Credit Agreement dated as of
March 27, 1997 (said Credit Agreement, as amended, supplemented or modified
from time to time, herein called the "Credit Agreement") among the Borrowers and
                                      ----------------                          
the Bank and evidences the Term Loan outstanding under the Credit Agreement made
by the Bank to the Borrowers.  This Note is subject to acceleration in
accordance with the provisions of the Credit Agreement and is secured by the
Security Documents and the Collateral referred to in the Credit Agreement.  The
Borrowers may prepay or may be required to prepay all or any part of the
principal of this Note before maturity upon the terms provided in the Credit
Agreement.  Capitalized terms used in this Note and not defined herein have the
respective meanings assigned to them in the Credit Agreement.
<PAGE>
 
     This Note shall be governed by and construed in accordance with the laws of
the State of New York.


                              Very truly yours,

                              THT INC.
 

                              By:     /s/ Frederick A. Rossetti
                                 -------------------------------------
                              Name:   Frederick A. Rossetti
                              Title:   President


                              SETTERSTIX CORPORATION



                              By:     /s/ Frederick A. Rossetti
                                 ----------------------------------------
                              Name:   Frederick A. Rossetti
                              Title:   Chief Executive Officer


                              JACKBURN MFG., INC.



                              By:     /s/ Frederick A. Rossetti
                                 ----------------------------------------
                              Name:   Frederick A. Rossetti
                              Title:   President

<PAGE>
 
Exhibit 10.6


                                PROMISSORY NOTE
                           (Revolving Credit Loans)

$2,000,000                                                        March 27, 1997


          FOR VALUE RECEIVED, the undersigned, THT Inc., Setterstix Corporation
and Jackburn Mfg., Inc. (each being a "Borrower" and, collectively, the
                                       --------                        
"Borrowers"), hereby promise, jointly and severally, to pay to the order of
- ----------                                                                 
FLEET BANK N.A. (the "Bank"), on the Revolving Credit Expiration Date, (as such
                      ----           --------------------------------          
term is defined in the Credit Agreement referred to below) at the office of the
Bank at 1133 Avenue of the Americas, New York, New York (or at such other place
as the holder of this Note shall designate by a notice in writing to the
Borrowers), the principal sum of TWO MILLION DOLLARS ($2,000,000), or such
lesser amount as shall equal the aggregate unpaid principal amount of the
Revolving Credit Loans made by the Bank to the Borrowers pursuant to the Credit
Agreement, in lawful money of the United States of America and in immediately
available funds, and to pay interest on the unpaid principal balance hereof from
time to time outstanding at the aforesaid office or place and at the rates and
on the dates specified in the Credit Agreement.

          The Bank is hereby authorized by the Borrowers to endorse on the
schedule attached to this Note (or any continuation thereof) the amount of each
Revolving Credit Loan made by the Bank to the Borrowers pursuant to the Credit
Agreement, the date such Revolving Credit Loan is made and the amount of each
payment or prepayment of the principal of such Revolving Credit Loan received by
the Bank, provided that any failure by the Bank to make any such endorsement
shall not affect the obligations of the Borrowers hereunder or under the Credit
Agreement in respect of such Revolving Credit Loan.  Each such endorsement by
the Bank shall constitute conclusive evidence of the accuracy thereof, absent
manifest error.

          If any amount hereunder is payable on a day that is not a Business
Day, the due date thereof shall be extended to the immediately succeeding
Business Day and interest thereon shall accrue during the period of such
extension at the rate provided in the Credit Agreement.

          This Note is the Revolving Credit Note referred to in the Credit
Agreement dated as of March 27, 1997 (said Credit Agreement, as amended,
supplemented or modified from time to time, herein called the "Credit
                                                               ------
Agreement") among the Borrowers and the Bank and evidences Revolving Credit
- ---------
Loans outstanding under the Credit Agreement made by the Bank to the Borrowers.
This Note is subject to acceleration in accordance with the provisions of the
Credit Agreement and is secured by the Security Documents and the Collateral
referred to in the Credit Agreement.  The Borrowers may prepay or may be
required to prepay all or any part of the principal of this Note before maturity
upon the terms provided in the Credit Agreement. Capitalized terms used in this
Note and not defined herein have the respective meanings assigned to them in the
Credit Agreement.
<PAGE>
 
          This Note shall be governed by and construed in accordance with the
laws of the State of New York.


                                    Very truly yours,

                                    THT INC.



                                    By: /s/ Frederick A. Rossetti
                                       ------------------------------
                                       Name:   Frederick A. Rossetti
                                       Title: President


                                    SETTERSTIX CORPORATION



                                    By: /s/ Frederick A. Rossetti
                                       ------------------------------
                                       Name:   Frederick A. Rossetti
                                       Title: Chief Executive Officer


                                    JACKBURN MFG., INC.



                                    By: /s/ Frederick A. Rossetti
                                       ------------------------------
                                       Name:   Frederick A. Rossetti
                                       Title: President 
<PAGE>
 
                                  Schedule to
                             Promissory Note dated
                         _________, 1997 of THT Inc.,
                Setterstix Corporation, and Jackburn Mfg., Inc.
                        (collectively, the "Borrowers")
                                            ---------  


          This Note evidences Revolving Credit Loans made to the Borrowers under
the within-described Credit Agreement, in the principal amounts and on the dates
set forth below, and the repayments or prepayments of the principal of said
Revolving Credit Loans.

<TABLE>
<CAPTION>
              Principal    Principal       
Date of       Amount of    Amount Paid    Balance       Notation
Loan          Loan         or Prepaid     Outstanding   Made By 
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<S>           <C>          <C>            <C>           <C>

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</TABLE> 


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