Exhibit 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Quarterly Report on Form 10-Q of Lincoln Electric
Holdings, Inc. (the "Company") for the three months ended September 30, 2002, as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), each of the undersigned officers of the Company certifies, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that, to such officer's knowledge:

      (1)   The Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The information contained in the Report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company as of the dates and for the periods expressed in the
            Report.


Date:  November 13, 2002
                                       /s/ Anthony A. Massaro
                                       ---------------------------------------
                                       Anthony A. Massaro
                                       Chairman, President and Chief Executive
                                       Officer


                                       /s/ H. Jay Elliott
                                       ---------------------------------------
                                       H. Jay Elliott
                                       Senior Vice President, Chief Financial
                                       Officer and Treasurer



      The foregoing certification is being furnished solely pursuant to 18
U.S.C. Section 1350 and is not being filed as part of the Report or as a
separate disclosure document.