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, Drywall), High Quality: Heavy Duty Classic Hole Punch Kit, forged, machined and heat treated high carbon steel construction, Product Includes: Economic Knockout Punch Driver Set, complete conduit punch set include 4 dies, 4 hole punches, 2 bearing driving bolts, Product Sizes: 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", Ease of Use: Easy to use drive-bolt design uses several turns of a wrench to apply pressure