Slug-Buster® 1-1/2" - 2" Manual Knockout Set. For use with new Greenlee KRW-1 high-leverage ratchet wrench. 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. Easy threading - draw studs with "dog point" tip helps eliminate cross-threading. Punches, dies and case made in the USA. Draw stud manufactured in the USA from US and global components.