The Greenlee 7306SB 11-Ton Hydraulic Knockout Kit with Hand Pump features a compact, lightweight design for portability, and fast, easy one-person operation. A Slug-Buster punch profile splits slugs for easy removal. 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 knockout set is easy to thread, and features draw studs with dog point tips, that help eliminate cross-threading. This unit 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 2 in. is also provided with this unit.