Diameter: 1-1/8"Overall Length: 21"Drillable Length: 16"Shank: SDS-MAXCarbide Tipped 4-Cutter Head DesignFor Use In Concrete And Hard Masonry MaterialsSuitable For Use In Concrete With Rebar As WellSpeed-X Carbide Offers Ability To Drill Holes 20 Percent FasterCentering Point For Improved Positioning And StartingReinforced Core And Flutes For Maximum Energy Transfer And Reduced VibrationsFlute Design Quickly Channels Debris From The HoleCompatible With Hilti Hammers With TE-Y/TE-FY Shanks