IBOSAD Manual Knockout Hole Punch Driver Kit 1/2 to 2 inch Electrical Conduit Hole Cutter Set KO Tool Kit,Can't Use for Stainless Steel Plate (with Chromed Punch Dies)
Capacity: Mild steel plate up through 3.5mm(10 gauge)
Operation: Battery,hydraulic,ratchet or manual drivers, when used with ratchet, hydraulic or battery drivers,buy the punch and die only,the draw stud is part of the driver kit.