Slug-Buster® Hydraulic knockout kit. Includes 721-1/2 UPC 31756 1/2 IN conduit Size Slug-Buster Punch, 14722 UPC 14722 1/2 IN conduit Size Die, 721-3/4 UPC 31757 3/4IN conduit Size Slug-Buster Punch, 124AV UPC 06972 3/4 IN conduit Size Die, 721-1 UPC 31758 1 IN conduit Size Slug-Buster Punch, 126AV. Fast, easy and simple to operate. Compact design for field use on construction sites and maintenance jobs. Punches 10 times faster than wrench method. Will also drive 751 Cable Cutter head. Can be used with most standard round Slug-Buster® and Slug-Splitter SC™ punches (not 1/2, 9/16, 5/8 inch). Can be used with non-round punches (adapter may be required). Features: Compact, Lightweight Design - for portability and fast, easy one-person operation; Slug-Buster® punch profile splits slugs for easy slug removal; Knurled edge on punches for better grip; New die design optimized for widest range of materials and drivers; Laser markings for quick part identification. Alignment markings for improved accuracy.; Knockout set is easy to thread - draw studs with \"dog point\" tip helps eliminate cross-threading. Hex key access for easy removal from tool; Compatibility - works with all Greenlee knockouts. Same draw studs used with Intelli-PUNCH™, LS50L2 and 746A ram; 1/2\" - 2\" conduit size Slug-Buster® punches; 1/2\" - 2\" conduit size dies; 7/16\" hydraulic draw stud; 3/4\" hydraulic draw stud; KCC-7672 carrying case - Application: For punching holes in mild steel, stainless steel, aluminum, brass, copper, fiberglass and plastics