In the heading, "Int.Cl.: 7,9" and "Prior U.S. Cl.: 23,26" should be deleted and "Int. Cl.: 7" and "Prior U.S. Cl.: 23" should be inserted. In the statement, column 2, line 3, after "caps," "guide jaws, helmets and helmet inserts" should be inserted, and lines 5 and 6 should be deleted.