Southwire 4 Piece 7 8 in Woodboring Ship Auger Drill Bit Vanity Without Top ) 36 Sink Material Quartzite 314846561 ) 36 Sink Material Quartzite Sink Shape Rectangular Sink Gauge No Gauge Applicable Cut Out Below Counter Depth (in sealed ball bearing Screw tip draws bit through wood Polished and coated flutes increase removal of cutting material Series Name N A Sub Brand N A 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 No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty Lifetime Set Individual Individual Package Quantity 4 CA Residents: Prop 65 Warning(s) No Brand Model Compatibility Southwire Bit Diameter (Inches) 7 8 in