Hand Tools

Lichamp Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set Applicable Materials: Sheet Metal Knockout Punch Kit, perfect for mild steel under 10 gauge (3.5 mm), such as sheet steel, copper, aluminum, brass, fiberglass, some plastics, electrical pipe, quartzite, conduit (NOT FOR Stainless Steel, Wood,... Lichamp Manual Knockout Punch Kit, Heavy Duty Metal Sheet Knock Out Box Hole Cutter Conduit Punch Driver Die Set