Metal Disc Cutter Set -5 &7 Jewelry Hole Punch Tool for Craft, DIY Metalworking
5-Hole Disc Cutter Set 7-Hole Disc Cutter Set Place the punch (sharp side down) into the correct slot and strike with a heavy mallet. Includes 5 hardened steel punches in sizes: 12mm, 15mm, 18mm, 21mm, and 25mm (1/2", 5/8", 3/4", 7/8", and 1").