XtremepowerUS 10 Pc Heavy Duty Hollow Punch Kit W/Case Tool Set Gasket Leather Rubber Holes 1 Pin Point Of Punch Shaft 9 Punch BladeS: SAE(MM)3/16"(5mm), 1/4"(6.5mm), 5/16"(8mm) 3/8"(9.5mm), 1/2"(5/8"(16mm), 25/82"(20mm), 1"(25.4mm), 1-1/4"(32mm)