For use on rubber, leather, copper, soft brass and other materials. Comes with 10 interchangeable punch heads. Includes Point Of Punch Shaft, Size: 3/16-inch (5mm), 1/4-inch (6.5mm), 5/16-inch (8mm), 3/8-inch (9.5mm), 1/2-inch (12.5mm), 5/8-inch (16mm), 25/82-inch (20mm), 1-inch (25.4mm), 1-1/4-inch (32mm). Blow molded storage case includ...