IDEAL Nailbiter 1 in Woodboring Ship Auger Drill Bit Washer Supply Line 03 lb Tools Product Type 314835204 03 lb Tools Product Type Power Tool Certifications and Listings UL Listed Manufacturer Warranty 5 year warranty on tools the square neck bites into the wood to prevent spinning while you tighten the nut from the threaded end Nailbiter premium dual helix construction Twin cutting edges for fast and smooth drilling 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 speed steel Case Type Hard Quick Change No For Use With Power tool 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) 1 in Brand Model Compatibility N A