Daredevil, 516 x 4 x 6, Multipurpose Drill Bit, Upgraded MultiGrind Heads Deliver Up To 85 Faster Drilling In Metal Than Standard Bits, Hex Shanks Impact Rated Allows Use In Impact Drivers Hammer DrillDrivers For Added Versatility, Sharp Ground Cutting Edges Designed For Advanced Performance, Steep Flutes With Ribs Deliver Fast Material Removal In Multiple Materials, MultiApplication Design Offers Drilling In Masonry, Brick, Block, Tile, Metal, Wood Plastic, Long Life Construction Provides Up To 9X Life In MultiMaterial Applications Than Standard Bits, NoSkate Tip Design Allows For Cleaner Holes, 4 Flute Length, 6 Length, 6 Overall Length, 14 Shank Diameter, 4 Useable Length