AMZCNC Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set ((Conduit Hole Size) 1/2"~1-1/4"

AMZCNC Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set ((Conduit Hole Size) 1/2"~1-1/4"

Manual drive knockout punches, for use with ratchet, wrench, or electric driver. Conduit punch sizes: 1/2",3/4",1",1-1/4",Actual hole diameter:0.89" ,1.11" ,1.36" ,1.7" Sheet Metal Knockout Punch Kit, perfect for mild steel under 10 gauge (3.5mm), such as sheet steel, copper, aluminum, brass, fiberglass, some plastics, electrical pipe, quazite, conduit (NOT FOR Stainless Steel, Wood, Drywall) Heavy Duty Classic Hole Punch Kit, forged, machined and heat treated 5140 steel construction. Economic Knockout Punch Driver Set, complete conduit punch set include 4 dies, 4 hole punches, 2 bearing driving bolts Easy to use drive-bolt design uses several turns of a wrench to apply pressure Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set ((Conduit Hole Size) 1/2"~1-1/4" Knockout Punch kit)