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                                                                  EXHIBIT 10.7.1

                                                                      [Michigan]

                           FIRST AMENDMENT TO MORTGAGE

                                     between

                       DAY INTERNATIONAL, INC., Mortgagor

                                       and

              SOCIETE GENERALE, as Administrative Agent, Mortgagee

                          DATED AS OF OCTOBER 19, 1999

                       AFTER RECORDING, PLEASE RETURN TO:

                             Dennis D. Kiely, Esq.

                           SIMPSON THACHER & BARTLETT
                          (a partnership which includes
                           professional corporations)
                              425 Lexington Avenue
                            New York, New York 10017

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                           FIRST AMENDMENT TO MORTGAGE

         THIS FIRST AMENDMENT TO MORTGAGE, dated as of October 19, 1999, is made
between DAY INTERNATIONAL, INC., a Delaware corporation ("MORTGAGOR"), whose
address is c/o Day International Group, Inc., 130 West Second Street, Dayton, OH
45402, and to SOCIETE GENERALE, whose address is 1221 Avenue of the Americas,
New York, New York 10020, as Administrative Agent (in such capacity,
"MORTGAGEE") for the several banks and other financial institutions (the
"LENDERS") from time to time parties to the Amended and Restated Senior Secured
Credit Agreement dated as of October 19, 1999, (as the same may be amended,
supplemented, waived or otherwise modified from time to time the "CREDIT
AGREEMENT") among SG Cowen Securities Corporation, as Arranger, Mortgagee, the
Lenders, and Day International Group, Inc. ("the BORROWER"). References to this
Mortgage shall mean this instrument and any and all renewals, modifications,
amendments, supplements, extensions, consolidations, substitutions, spreaders
and replacements of this instrument. References to this "AMENDMENT" shall mean
this instrument. Capitalized terms used and not otherwise defined herein shall
have the meanings assigned thereto in the Credit Agreement.

                                   WITNESSETH

         WHEREAS, the Mortgagor and Mortgagee have agreed to modify that
Mortgage dated as of January 16, 1998, recorded in the St. Joseph County
Recorder's Office in Liber 820 Page 776 on January 27, 1998 (the "MORTGAGE") so
that it will (i) secure, among other things, an increase in the principal amount
of the Indebtedness secured under any contingency by that instrument and (ii)
reflect the new Maturity Date;

         NOW THEREFORE, in consideration of the premises and for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, Mortgagor and Mortgagee hereby agree as follows:

         1.       The Mortgage is amended by deleting the reference in the
opening paragraph to "333 West First Street, Dayton, Ohio 45401" and
substituting the following therefore: "130 West Second Street, Dayton, OH
45402".

         2.       The Mortgage is amended by deleting the reference in the
opening paragraph to "the Senior Secured Credit Agreement dated as January 16,
1998 (as the same may be amended, supplemented, waived or otherwise modified
from time to time the "CREDIT AGREEMENT") among Societe Generale Securities
Corporation, as Arranger, Mortgagee, the Lenders, and Day International Group,
Inc. ("the BORROWER")" and substituting the following therefor:

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                                                                               2

         "the Senior Secured Credit Agreement dated as of January 15, 1998 among
         Societe Generale Securities Corporation, as Arranger, Mortgagee, the
         Lenders, and Day International Group, Inc. ("the BORROWER"), as amended
         and restated pursuant to the Amended and Restated Senior Secured Credit
         Agreement dated as of October 19, 1999 among SG Cowen Securities
         Corporation (successor in interest to Societe Generale Securities
         Corporation), as Arranger, Mortgagee, the Lenders, and the Borrower (as
         the same may be further amended, supplemented, waived or otherwise
         modified from time to time the "CREDIT AGREEMENT")."

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         This Amendment has been duly executed by the undersigned on the date
first above written.

Signed, sealed and                               DAY INTERNATIONAL, INC.
delivered in the
presence of                                      By: /s/ Dennis R. Wolters
                                                     ---------------------------
                                                     Name: DENNIS R. WOLTERS
                                                     Title: PRESIDENT

/s/ Steven F. Skerl
------------------------------------
Witness Name: Steven F. Skerl                    Attest:

                                                 By: /s/ [ILLEGIBLE]
                                                     ---------------------------
                                                     Name: [ILLEGIBLE]
                                                     Title: VICE PRESIDENT

/s/ Thomas J. Koenig
------------------------------------
Witness Name: Thomas J. Koenig

Signed, sealed and                               SOCIETE GENERALE
delivered in the
presence of                                      By: /s/ John M. Stack
                                                     ---------------------------
                                                     Name:  JOHN M. STACK
                                                     Title: Director

/s/ [ILLEGIBLE]
-------------------------------------
Witness Name: [ILLEGIBLE]                        Attest:

                                                 By: /s/ Dennis D. Kiely
                                                     ---------------------------
                                                     Name:  Dennis D. Kiely
                                                     Title: Agent


/s/ [ILLEGIBLE]
-------------------------------------
Witness Name: [ILLEGIBLE]