IDEAL Nailbiter 3 4 in Woodboring Ship Auger Drill Bit Garbage Disposals Power Source: Pneumatic (air powered) Power Source: Pneumatic (air powered) circular saw 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 carbon 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 Bit Diameter (Inches) 3 4 in CA Residents: Prop 65 Warning(s) No Brand Model Compatibility N A even through nail embedded lumber Dual induction heat treated ensures durability staying sharper longer Heavy duty lead screw designed for quick gripping and penetration power Re sharp enable for extended tool life 7 16 in