Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set
Sheet Metal Knockout Punch Kit, perfect for mild steel under 10 gauge (, such as sheet steel, copper, aluminum, brass, fiberglass, some plastics, electrical pipe, quartzite, conduit (NOT FOR Stainless Steel, Wood, Drywall)
Heavy Duty Classic Hole Punch Kit, forged, machined and heat treated high carbon steel construction.
Economic Knockout Punch Driver Set, complete conduit punch set include 4 dies, 4 hole punches, 2 bearing driving bolts
Knockout Hole Punch, die size: 1/2", 3/4", 1" and 1-1/4", hole punch size: 7/8", 1-3/32", 1-11/32" and 1-11/16"
Easy to use drive-bolt design uses several turns of a wrench to apply pressure