Check the listing for details. TEMCo 4" HYDRAULIC KNOCKOUT PUNCH Electrical Conduit Hole Cutter Set KO Tool Kit. Condition: Seller refurbished. Listed at 255.55 USD. Specifications TEMCo ID: TH0037 Type: Hydraulic Knockout Punch Punch Dies Included (Conduit Fitting Size): ", ", 1", 1 ", 1 ", 2", 2 ", 3", 3 ", 4" Conduit Size vs Measured Hole Sizes: " - 0.887" " - 1.118" 1" - 1.365" 1 " - 1.705" 1 " - 1.939" 2" - 2.420" 2 " - 2.908" 3" - 3.531" 3 " - 4.024" 4" - 4.527" Draw Stud Thread Size: 3/4-16 & 3/8-23 (Compatible with GREENLEE and other domestic punch tooling 3/4"-16 threads) Punching Force: 13 US Tons Punching Thickness Capacity: 1/8" (11 ga) Steel, 1/16" Stainless Steel Punches Materials: Steel, Stainless Steel, Brass, Copper, Aluminum (soft alloys only, not for use with 7075 or other super alloys), Fiberglass, Plastic and more. Construction Material: Steel pump and cylinder, hardened tool steel die sets Condition: refurbished - in good working condition with scratches, chips, dents as shown in the pictures. Dies are almost in new condition. This tool was tested. If you do have any questions feel free to shoot me a message!