11-Ton Hydraulic Knockout Kit with Hand Pump and Slug-Buster® 1/2″ – 2 ” 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.