TEMCo Hydraulic Knockout Punch TH0004 - Electrical Conduit Hole Cutter Set KO Tool Kit 5 YEAR WARRANTY Powerful 9 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling. 6 Die Sets for conduit fitting size: , , 1, 1, 1 , 2" Punching Thickness Capacity: 1/8 inch (11 ga) Steel Punching Capacity, 1/16 inch Stainless Steel. Punches: Steel, Stainless Steel, Brass, Copper, Aluminum (soft alloys only), Fiberglass, Plastic 5 Year Warranty from a well-known American name. NON-GENERIC