Greenlee Tools offers a large variety of knockout punches. Whether you want standard punch 1/2" holes in mild steel or 4" holes in stainless steel, Slug-Buster® Knockout Punches are designed to split slugs in half so they fall freely, without effort. They work to 10 gauge mild steel and punch clean, uniform holes in plastic and fiberglass as well. Use with manual, ratchet, or hydraulic drivers.
Time-Saving Tool for Maintenance, Repair, and Operation Applications
Sold in Sets or Individual Pieces
Ball Bearing Drive Screw for Easy Manual Operation, or Use with Ratchet and Hydraulic Drivers