CERTIFICATE OF INCORPORATION

                                       OF

                               BF ACQUISITION CO.

                                   ARTICLE ONE

          The name of the corporation is BF Acquisition Co.

                                  ARTICLE TWO

          The address of the corporation's registered office in the State of
Delaware is 229 South State Street, in the City of Dover, County of Kent 19901.
The name of its registered agent at such address is The Prentice-Hall
Corporation System, Inc.

                                  ARTICLE THREE

          The nature of the business or purposes to be conducted or promoted is
to engage in any lawful act or activity for which corporations may be organized
under the General Corporation Law of the State of Delaware.

                                  ARTICLE FOUR

          The total number of shares of stock which the corporation has
authority to issue is 1,000 shares of Common Stock, with a par value of $.01 per
share.

                                  ARTICLE FIVE

          The name and mailing address of the sole incorporator are as follows:

                NAME            MAILING ADDRESS
                ----            ---------------

          Gary R. Wendorf   200 East Randolph Drive
                            56th Floor
                            Chicago, Illinois 60601



                                   ARTICLE SIX

          The corporation is to have perpetual existence.

                                 ARTICLE SEVEN

          In furtherance and not in limitation of the powers conferred by
statute, the board of directors of the corporation is expressly authorized to
make, alter or repeal the by-laws of the corporation.

                                  ARTICLE EIGHT

          Meetings of stockholders may be held within or without the State of
Delaware, as the by-laws of the corporation may provide. The books of the
corporation may be kept outside the State of Delaware at such place or places as
may be designated from time to time by the board of directors or in the by-laws
of the corporation. Election of directors need not be by written ballot unless
the by-laws of the corporation so provide.

                                  ARTICLE NINE

          To the fullest extent permitted by the General Corporation Law of the
State of Delaware as the same exists or may hereafter be amended, a director of
this corporation shall not be liable to the corporation or its stockholders for
monetary damages for a breach of fiduciary duty as a director. Any repeal or
modification of this ARTICLE NINE shall not adversely affect any right or
protection of a director of the corporation existing at the time of such repeal
or modification.

                                   ARTICLE TEN

          Unless this Certificate of Incorporation is amended or repealed with
respect to this ARTICLE TEN or unless the by-laws of the corporation designate
otherwise, the corporation expressly elects not to be governed by Section 203 of
the General Corporation Law of the State of Delaware.


                                       -2-



                                 ARTICLE ELEVEN

          The corporation reserves the right to amend, alter, change or repeal
any provision contained in this certificate of incorporation in the manner now
or hereafter prescribed herein and by the laws of the State of Delaware, and all
rights conferred upon stockholders herein are granted subject to this
reservation.

                                   * * * * *


                                       -3-



          I, THE UNDERSIGNED, being the sole incorporator herein-before named,
for the purpose of forming a corporation pursuant to the General Corporation Law
of the State of Delaware, under penalties of perjury do make this certificate,
hereby declaring and certifying that this is my act and deed and the facts
stated herein are true, and accordingly have hereunto set my hand on the 16th
day of August, 1989.


                                        /s/ Gary R. Wendorf
                                        ----------------------------------------
                                        Gary R. Wendorf, Sole Incorporator


                                       -4-




                            CERTIFICATE OF AMENDMENT

                                       OF

                          CERTIFICATE OF INCORPORATION

                                       OF

                               BF ACQUISITION CO.

                                    * * * * *

                         Adopted in accordance with the
                        provisions of Section 242 of the
                         General Corporation Law of the
                               State of Delaware

                                    * * * * *

          Ronald M. Bass and Dwight B. Woodruff, being the Vice President and
Assistant Secretary, respectively, of BF Acquisition Co., a corporation
organized and existing under and by virtue of the laws of the State of Delaware
(the "Corporation"), do hereby certify as follows:

          FIRST: The Certificate of Incorporation of the Corporation (the
"Certificate of Incorporation") is hereby amended by deleting ARTICLE ONE in its
entirety and substituting in lieu thereof a new ARTICLE ONE as follows:

                                   ARTICLE ONE

          The name of the corporation is Break-Free Inc.

          SECOND: The Board of Directors of the Corporation approved the
foregoing amendment pursuant to the provisions of Sections 141(f) and 242 of the
General Corporation Law of the



State of Delaware and directed that the amendment be submitted to the sole
stockholder of the Corporation for its consideration and approval.

          THIRD: The sole stockholder of the Corporation approved the foregoing
amendment pursuant to the provisions of Sections 228(c) and 242 of the General
Corporation Law of the State of Delaware.

          IN WITNESS WHEREOF, the undersigned, being the Vice President and
Assistant Secretary hereinabove named, for the purpose of amending the
Certificate of Incorporation of the Corporation pursuant to the General
Corporation Law of the State of Delaware, under penalties of perjury do each
hereby declare and certify that this is the act and deed of the Corporation and
the facts stated herein are true, and accordingly have hereunto signed this
Certificate of Amendment of Certificate of Incorporation this 31st day of
August, 1989.

                                        BF ACQUISITION CO.


                                        /s/ Ronald M. Bass
                                        ----------------------------------------
                                        Ronald M. Bass,
                                        Vice President

ATTEST:


/S/ Dwight B. Woodruff
- --------------------------------
Dwight B. Woodruff,
Assistant Secretary


                                       -2-




                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                                 BREAK-FREE INC.

     Break-Free Inc., a corporation duly organized and existing under the
General Corporation Law of the State of Delaware (the "Corporation"), does
hereby certify that:

          I. The amendment to the Corporation's Certificate of Incorporation set
     forth below was duly adopted in accordance with the provisions of Section
     242 and has been consented to in writing by the sole stockholder in
     accordance with Section 228 of the General Corporation Law of the State of
     Delaware.

          II. Article FOUR of the Corporation's Certificate of Incorporation is
     amended to read in its entirety as follows:

          "The total number of shares of stock which this corporation is
          authorized to issue is 10,000 shares of Common Stock, with a par value
          of $.01 per share. Upon the amendment of this article to read as
          herein set forth, each outstanding share is split up and converted
          into 7.628 shares."

     IN WITNESS WHEREOF, Break-Free Inc. has caused this Certificate to be
executed by Arne F. Haug, its authorized officer, on this 3rd day of September,
1997.


                                        By: /s/ Arne F. Haug
                                            ------------------------------------
                                            Arne F. Haug
                                            Chairman of the Board



                            CERTIFICATE OF CORRECTION
                                     FOR THE
                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                                 BREAK-FREE INC.

     Break-Free Inc., a corporation duly organized and existing under the
General Corporation Law of the State of Delaware (the "Corporation"), does
hereby certify that:

          I. On December 1, 1997, Arne Haug, as the authorized agent of Break-
          Free Inc., executed an amendment to the Corporation's Certificate of
          Incorporation which was duly adopted in accordance with the provisions
          of Section 242 and was consented to in writing by the sole stockholder
          in accordance with Section 228 of the General Corporation Law of the
          State of Delaware.

          II. The Certificate of Amendment executed on December 1, 1997
          contained a clerical error in the number of shares that each share was
          to be split up and converted into. The Certificate of Amendment states
          in relevant part:

               "Upon the amendment of this article to read as
               herein set forth, each outstanding share is split
               up and converted into 7.847 shares."

          III. The Certificate of Amendment shall be corrected by this
          Certificate of Correction pursuant to Section 103(f) of the General
          Corporation Law of the State of Delaware. The Certificate of Amendment
          shall be corrected to state:

               "Upon the amendment of this article to read as
               herein set forth, each outstanding share is split
               up and converted into 78.47 shares."

     IN WITNESS WHEREOF, Break-Free Inc. has caused this Certificate of
Correction to be executed by Arne F. Haug, its authorized officer, on this 17th
day of February, 1997.


                                        By: /s/ Arne F. Haug
                                            ------------------------------------
                                            Arne F. Haug
                                            Chairman of the Board





                            CERTIFICATE OF AMENDMENT
                                       OF
                          CERTIFICATE OF INCORPORATION
                                       OF
                                 BREAK-FREE INC.

     Break-Free Inc., a corporation duly organized and existing under the
General Corporation Law of the State of Delaware (the "Corporation"), does
hereby certify that:

          I. The amendment to the Corporation's Certificate of Incorporation set
     forth below was duly adopted in accordance with the provisions of Section
     242 and has been consented to in writing by the sole stockholder in
     accordance with Section 228 of the General Corporation Law of the State of
     Delaware.

          II. Article FOUR of the Corporation's Certificate of Incorporation is
     amended to read in its entirety as follows:

          "The total number of shares of stock which this corporation
          is authorized to issue is 10,000 shares of Common Stock,
          with a par value of $.01 per share. Upon the amendment of
          this article to read as herein set forth, each outstanding
          share is split up and converted into 7.847 shares."

     IN WITNESS WHEREOF, Break-Free Inc. has caused this Certificate to be
executed by Arne F. Haug, its authorized officer, on this 1st day of December,
1997.


                                        By: /s/ Arne F. Haug
                                            ------------------------------------
                                            Arne F. Haug
                                            Chairman of the Board