Greenlee® 8-Ton Hydraulic Knockout KitType:8-Ton Hydraulic Knockout KitApplication:Punching holes in mild steel, stainless steel, aluminum, brass, copper, fiberglass, and plasticsSize:1/2" - 2" conduit size knockouts (hole size: 0.89" - 2.42" or 22.5 mm - 61.5 mm)Material:Punch up to 10 ga mild steel or 12 ga stainless steelConsists of:Quick Draw® 90 knockout driver, Slug-Buster® punches and dies (1/2" - 2" conduit), 7/16" & 3/4" short hydraulic draw studs, KCC-QD2 carrying case SKU: GRNL.7906SB Brand: GREENLEE Country of Manufacture: United States Supplier Part Number: GRNL7906SB