Punch 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). 1 x Punch Handle. >>Spring-Loaded Punch Shaft: Retracts automatically into the handle when punching holes.