IVY Classic 47118 SDS Plus 3/4 x 12-Inch Tungsten Carbide Hammer Bit, 1/Card Designed for cutting marble, brick, concrete, block and stone. Tungsten carbide reinforced tip is copper-silver brazed to withstand extreme heat. Special alloy-steel parabolic flute for efficient dust removal and faster cutting, sandblasted finish. Fits all SDS Plus hammer drills and meets ANSI specifications. Drill Diameter: 3/4-inch, Overall Length: 12-inch, Usable Length: 10-inch