SE 7908LP 10-Piece Hollow Punch Set Includes 9 punches: 3/16" (5mm),1/4" (6mm), 5/16" (8mm), 3/8" (10mm), 1/2" (12.5mm), 5/8" (16mm), 5/8" (16mm), 25/32" (20mm), 1" (25mm), 1" (32mm) 1 pin point punch shaft Sturdy ABS molded case Center punch with leather cutter Great for cutting holes in leather, soft brass, thin metal, and more