Felji 12pc Hollow Metal Leather Punch Set Punches Professional Wood Plastic Gasket Hardened Carbon Steel Hardness: 48 HRC Size: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 3/8", 7/16", 1/2", 5/8", 3/4". Package quantity: 12 Pieces Designed & Engineered By Felji