Punch perfect holes every time in gasket material with this steel Gasket Punch Set. Set includes the following diameters: 1/4", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8" and 1-1/2" and striker with spring-loaded center punch. Simply insert the correct die size, center and strike with a hammer.