【Material】Made of hardened carbon steel, high durability, strength and efficiency. This hollow hole punch set is a gasket hole punch set. Hole punches constructed from drop-forged heat-treated steel for maximum strength and longevity leather hole punch tool handle is constructed with a rubber sleeve for a comfortable grip. 【14 PCS Hollow Punch Kit】Punch accurate washers and gaskets with the 14 in 1 Hole Punch Kit Hollow Leather Punch Set. Safely cut holes on leather belts, watches bands, copper, plastics, paper, rubber, gasket and foam etc. Suitable for falconry, hobbies, crafts, modeling, home repair etc. 【Size】Leather hole punch set size: 3/16'(5mm), 1/4'(6mm), 5/16'(8mm), 3/8'(10mm), 7/16'(11mm), 1/2' (13mm), 5/8'(16mm), 3/4'(19mm), 7/8'(22mm), 1'(25mm),1-1/8'(28mm), 1-1/4'(32mm), 1-3/8'(35mm). All punches are settled in the box with clear marked sizes that you can easily find. 【Easy to Use】Select one of the interchangeable hole punch heads and thread it onto the tip of the hollow punch tool, Hold the comfortable grip tool handle with one hand while using a hammer on the top bolt to drive the tool into your selected material, The pin point is spring-loaded and retracts into handle when punching a hole, Pin point is removable to cut disks with no middle hole /Unscrew top bolt, remove rubber grip, and release Allen socket screw to remove the cen. 【Package Included】1pcs x Storage case, 1pcs x Pin point punch shaft, 13pcs x Hole punch head.