Traditional style punch and die set is an economical way to make washers, shims and gaskets. Nine punch sizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8 and 3/4 in. Clear plastic top plate is marked with accurate center lines. Cuts steel, brass, copper, aluminum, rubber and plastic up to 0.025 in THK. Cuts stainless steel and blue tempered shim up to 0.01 in THK. Punch and die set is packaged in a durable plastic case. The base and punches are made of a hardened and ground A-2 tool steel. Mark center lines, align with center lines and hit with hammer.