IDEAL Nailbiter 3 4 in Woodboring Ship Auger Drill Bit vanities with tops hammer only hammer only Feet) 12 PEI Rating 5 heavy plus traffic Breaking Strength in Pounds 500 750 Frost Resistant Yes Water Absorption Impervious Shade Variation V2 (slight variation) Manufacturer Color Finish Denim Warranty 1 year limited Sold As Carton For Use with Shower Floors No CA Residents: Prop 65 Warning(s) No For Use with Bathroom Walls Yes For Use with Kitchen Counters Yes For Use with Patios No Package Quantity 12 Sample Item Number 4x4lw 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 CA Residents: Prop 65 Warning(s) No Bit Diameter (Inches) 3 4 in Brand Model Compatibility N A Nailbiter premium dual helix construction Twin cutting edges for fast and smooth drilling