When engine repairs call for hard-to-find gaskets, this punch set helps you create your own. Includes 10 hardened steel dies (1/4in., 5/16in., 3/8in.,7/16in., 1/2in., 9/16in., 5/8in., 3/4in., 7/8in. and 1in. dia.) with storage case. For rubber, felt, other soft materials.