IDEAL Nailbiter 3 4 in Woodboring Ship Auger Drill Bit End Posts and also has the industry's and also has the industry's first electronic clutch New to world precision through pre set grease counter dial hex shank Quick change shank design Full black oxide coating prevents rust 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 CA Residents: Prop 65 Warning(s) No Bit Diameter (Inches) 3 4 in Brand Model Compatibility N A