IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Sheet Metal Tools brick and soft concrete brick and soft concrete a woodworking project or you just need to cut dimensional lumber down to size plastics and heavy timber Full black oxide coating prevents rust Series Name Nailbiter Sub Brand N A Bit Type Ship auger bit Bit Length 18 in Shank Size 7 16 in Shank Type Hex Material High speed 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 CA Residents: Prop 65 Warning(s) No Brand Model Compatibility N A Bit Diameter (Inches) 7 8 in