Greenlee 04613 Slug-Splitter Standard Knockout Die, 2-1/2-Inch Punches up to 10 gauge stainless steel Punch and draw stud are required for operation For use with Greenlee punch 04614 and draw studs 29452 or 12099 Can be used with Greenlee ratchet driver 1904 or hydraulic drivers 7646 and 7630 Unique punch profile also splits slugs for easier slug removal