IDEAL Nailbiter 3 4 in Woodboring Ship Auger Drill Bit Garbage Disposals Cutting 1 in Cutting 1 in Its ergonomic handle ensures all day comfort Series Name Nailbiter Sub Brand N A Bit Type Ship auger bit Bit Length 7 1 2 in Shank Size 7 16 in Shank Type Hex Material High carbon steel Case Type Hard Quick Change Yes For Use With Power tool Hand brace For Use on Metal No For Use on Wood Yes Warranty 90 day limited Set Individual Individual Package Quantity 1 Bit Diameter (Inches) 3 4 in CA Residents: Prop 65 Warning(s) No Brand Model Compatibility N A hex shank Quick change shank design Full black oxide coating prevents rust