XtremepowerUS Heavy Duty 12Pcs Hollow Punch for Metal, Gaskets, Leather, Plastic, Rubber Etc... SIZES :1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", and 3/4" Heat-hardened, high-carbon steel construction for long-life sharpness and durability Clear-vue pouch with hanging-grommets for easy identification