Greenlee Slug-Buster 735BB Manual Standard Round Knockout Punch Die Kit, 10 ga Capacity, For Use With Greenlee KRW-1 High Leverage Ratchet Wrench, 1/2 to 1-1/4 in Conduit/Pipe, Mild Steel
Greenlee LS100X11SS Intelli-Punch 11-Ton Tool with Slug Splitter knockouts, ½ to 2"