DescriptionBosch 2-1/8 In. x 24 In. SDS-max Thru-Hole Rotary Hammer BitOne-piece， thru-hole bits are designed for fast work without the need to change shanks. The all-in-one core with SDS-max? shank transmits power directly to the end of the bit. Thru-hole bits are more economical because of long life.FeaturesOne-piece， thru-hole bit drills all the way through without stoppingAggressive tip provides fast breakthrough and large chip removal24 In. drilling depth2-1/8 In. diameterSpecificationsBrand NameBoschAssembled Weight (lbs)4.500000Bit Diameter2-1/8 In.Bit MaterialCarbide TippedCalifornia Proposition 65 Warning RequiredYesColor CodedNoCountry of OriginGermanyDiameter2 1/8 inFlute Length (in)18.000000globalTradeItemNumber (GTIN)00000346267969Internal Supplier Part #3619385649Internet Product Code (IPC)BD09731F889Manufacturer WarrantyProduct Defects OnlyPackage Contents1 BitPackage Weight5.0Package Weight (lbs)5 Recommended Safety EquipmentEye， ear and dust protectionShank Diameter0.000000UPC000346267969Manuals Warranty - PDF