Greenlee 60237 Slug-Buster Knockout Replacement Punch, 1-7/32-Inch
Greenlee Slug-Busters can be used on mild steel up through 10 gauge (3.5 mm). Application: Punch mild steel, aluminum, fiberglass and plastic. Operates with battery, hydraulic, ratchet or manual drivers. Punch must have matching die and draw stud for operation