For use with the new Greenlee KRW-1 High Leverage Ratchet Slug-Buster® punch profile splits scrap sheet metal for easy removal Knurled punch edge for better grip New die design optimized for a wider range of materials and punch presses Laser markings for quick part identification. Alignment marks for improved accuracy Easy threading: "Nub"-tipped puller studs eliminate cross-threading Punches, dies, and housing made in the USA Puller stud made in the USA from U.S. and global components Features Application: For punching mild steel, aluminum, brass, copper, fiberglass, and plastic Dimensions: 1/2 - 1-1/4 in. conduit punches, hole size: 22.5 - 43.2 mm (0.89 - 1.70 in.) Type: Hand punch set Material: Punches mild steel up to 10 gauge Consists of: 1/2 - 1-1/4 in. conduit Slug-Buster® punches 1/2 - 1-1/4 in. conduit dies 7/16 in. ball bearing puller stud 3/4 in. ball bearing puller stud Carrying case: KCC-BB1-1/4