Check the listing for details. AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Ki.... Condition: New. Listed at 171.79 USD. AMZCNC Hydraulic Knockout Punch Electrical Conduit Hole Cutter Set KO Tool Kit 1/2 to 2 inch (8T(1/2"-2")), Alloy Steel Product Details Material: Alloy Steel Color: Blue, Black Brand: AMZCNC Operation Mode: Hydraulic Sheet Count: 10 Product Dimensions : 19.5 x 9.45 x 6.69 inches; 19.05 Pounds Item model number : SYK-8 Date First Available : June 8, 2021 Manufacturer : AMZCNC Best Sellers Rank: #40,251 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #3 in Knockout Punches #3 in Knockout Punches Customer Reviews: 4.4 4.4 out of 5 stars 162 ratings Powerful 8 US TRUE TON Punching Capacity. Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads. 6 Die Sets for conduit fitting size: 12, 34, 1, 114, 1 12, 2" Punching Thickness Capacity: 1/8 inch (10 ga) Steel Punching Capacity, 1/16 inch Stainless Steel. Punches: Steel, Stainless Steel, Brass, Copper, Aluminum (soft alloys only), Fiberglass, Plastic Convenient Operation: The knockout set is fast and easy to operate. With the excellent cooperation of a drill bit and a driving bolt, you can easily get a clean and uniform hole. And the long plastic handle ensures zero sliding and effective force transfer, improving work efficiency.