Greenlee® - Slug-Buster® Punch Unit 1" Conduit SizeIncludes: Punch, Die, and Draw StudSize: 1" (34.6 mm)Capacity: 10 Gauge Mild SteelCutting Diameter: 1.362 in (34.6 mm)Weight: 1 lb (454 gm)Unique punch profile splits slugs for easier removalCompatible with Battery-Powered, Hydraulic, Ratchet, or Manual DriversApplication: Mild Steel, Aluminum, Fiberglass, and Plastic SKU: GRNL.7211BB1 Brand: GREENLEE Country of Manufacture: United States Supplier Part Number: GRNL7211BB1