IDEAL Nailbiter 3 4 in Woodboring Ship Auger Drill Bit Portable Table Saws Black Mexican Beach Pebbles come Black Mexican Beach Pebbles come from the beaches of Baja Tool free drive depth adjustment Series Name N A Sub Brand Nailbiter 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 For Use on Metal No For Use on Wood Yes Warranty 1 year 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 Nailbiter premium dual helix construction Twin cutting edges for fast and smooth drilling