Greenlee® Manual Knockout Set for KRW-1 High-Leverage Ratchet WrenchIncludes: Punches and dies for 1/2", 3/4", 1", and 1-1/2" conduit, 2 draw studs, and a high-impact plastic case.Features: Compatible with battery-powered, hydraulic, ratchet, or manual drivers. Makes clean, fast, and accurate holes in mild steel (up to 10 ga). Slug falls freely in the die. SKU: GRNL.735BB Brand: GREENLEE Country of Manufacture: United States Supplier Part Number: GRNL735BB