Avanti Pro Drill Bit, Percussion, 1/2 in Dia, Number of Flutes: 2, Shank Type: Straight, Shank Diameter: 10 mm, Cutting Edge Material: Carbide, 6 in OAL, Applicable Materials: Brick/Block, Concrete, Masonry, Suitable for: Cordless and Corded Rotary Drills