IRWIN WeldTec 1 2 in Woodboring Auger Drill Bit Integrated Backsplash Turn your leaves and yard Color:Black (Textured Finish) Turn your leaves and yard waste into nutrient rich mulch with up to 388 CFM of vacuum air flow and an 8:1 reduction ratio this flooring combines the natural beauty of oak with top notch water and scratch resistance Series Name N A Sub Brand WeldTec Bit Type Auger bit Bit Length 17 in Shank Size 3 8 in Shank Type Hex Material High speed steel Case Type N A (no case) Quick Change Yes For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Individual Package Quantity 1 Bit Diameter (Inches) 3 8 in CA Residents: Prop 65 Warning(s) Yes Brand Model Compatibility All Aggressive screw pitch Patent pending welded cutting edge Wide flutes 3 8 In quick change impact shank