12 Pc Hollow Punch Set Leather Working Tools New This is a new 12 piece hollow punch set Great for making clean holes in gaskets, leather, plastic, rubber and Made of carbon steel Has knurled bodies for a secure grip, precision ground flutes and cutting edges Hollow punch set sizes: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8" and 3/4"