Simpson Strong-Tie Masonry Drill, Solid Tip, 1/2 in Drill Bit, 12-1/4 in Overall Length, 10 in Cutting Depth, Parabolic Flute, 10 in Flute Length, SDS-Plus Shank, Centering Point, Carbide Cutting Edge, Chromium Nickel Molybdenum Steel Alloy, Applicable Materials: Concrete, Masonry, Brick and Block