This 10-piece hole punch set from TOPWAY is constructed from hardened carbon steel for high durability, strength, and efficiency. It is designed to safely cut holes in various materials including leather belts, watch bands, plastics, paper, gaskets, and foam. The set includes a punch handle and nine screw-fit punches with sizes ranging from 5mm (3/16") to 32mm (1-1/4"). It is suitable for applications such as falconry, hobbies, crafts, modeling, and home repair. The set is supplied in a BMC box. The punches allow for accurately centered holes prior to punching.