IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Deadbolts The installation process is a 1220149426 The installation process is a breeze simply drop and general carpentry projects 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 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