IDEAL Nailbiter 7 8 in Woodboring Ship Auger Drill Bit Surface Prep Tools the HTC pedestal rollers are the HTC pedestal rollers are just the ticket Heavy duty design includes the exclusive wedge lock™ inner leg Travel trailer cover: fits travel trailers and toy haulers 30 ft Series Name Nailbiter 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 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 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 Resharpen for extended tool life Tempered high speed steel construction 7 16 In hex shank Drills through nails