Bosch Impact Tough 7 Piece High Speed Steel Masonry Drill Bit for Hammer Drill Drywall Screws 79 lbs per piece Pieces Color:Elko 79 lbs per piece Pieces per carton 22 Coverage per case Approx Hardened steel Kreg drill guides are guaranteed for life Series Name Impact Tough Brand Model Compatibility Fits most hammer drills Material High speed steel Type Percussion Rotary Tip Material Carbide Bit Length Set Shank Size Set Shank Type Hex Compatible Tool Hammer drill Set Individual Set Package Quantity 7 Case Type Hard For Use on Brick Yes For Use on Concrete Yes For Use on Rebar No For Use on Stone Yes For Use on Tile No For Use on Wood No CA Residents: Prop 65 Warning(s) No Warranty None Bit Diameter (Inches) Set Maximum Drilling Depth Set (2) 5 32 in x 6 in