IDEAL 7 16 in. x 18 in. Ship Auger Extension Woodboring Auger Drill Bit Double Sink Vanity Tops This cabinet is a chic 1000993234 This cabinet is a chic essential for polished 520 CFM for clearing large amounts debris ship auger extension Bit Type 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 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) 7 16 in Brand Model Compatibility N A Compatable with IDEAL Nailbiter and Resi Master auger bits and other 7 16 in hex shank auger bits Adds 18 inches to regular bit length Six flats on shank Heavy duty double set screw type Dual locking hex screws Allen wrench included Quick change shank design Full black oxide coating prevents rust Full body