Hydraulic Knockout Kit with Hand Pump and Slug-Buster

11-Ton Hydraulic Knockout Kit with Hand Pump and Slug-Buster® 1/2" - 2" Compact, Lightweight Design Slug-Buster® punch profile splits slugs for easy slug removal Knurled edge on punches for grip Laser markings for quick part identification. Alignment markings for improved accuracy. Knockout set is easy to thread - draw studs with "dog point" tip Compatibility - works with all Greenlee knockouts.