The Greenlee 7310SB 11-Ton Hydraulic Knockout Kit with Hand Pump and Slug-Buster Punches features a compact, lightweight design for portability and fast, easy one-person operation. Users are provided with an optimized die design for a wide range of materials and a knurled edge on the punches for a better grip. This kit features draw studs that have dog point tips, which help eliminate cross-threading. Hex key access is also provided for easy removal from the tool. The Greenlee 7310SB works with all Greenlee knockouts, and the same draw studs used with Intelli-Punch, LS50L2, 746A ram. A size range of 1/2 in. to 4 in. is also featured with this kit.