The Diablo 2-Cutter Hammer Drill Bit SDS Plus Shank 3/16" x 6" is a high-performance masonry bit designed for use with SDS-Plus rotary hammer drills. 3/16 inch diameter × 6 inch overall length and a 4 inches drilling depth. The 2-Cutter Design improves drilling speed and efficiency. while the Variable Flute maximizes debris removal and increases the number of holes per battery charge.