IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Round Louver Trim XDT13Z Electronically controlled BL brushless magnetic starters XDT13Z Electronically controlled BL brushless motor efficiently uses energy to match torque and RPM to the changing demands of the application Coin Grip Dark Grey PVC Flooring Roll 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 Nailbiter™ premium dual helix construction Twin cutting edges for fast and smooth drilling