With up to 48,000 beats per minute, it delivers power to drill into stone, brick, masonry, and materials that a standard drill can't get through. The single-sleeved chuck allows for easy bit changes. Work with maximum comfort and grip with the adaptable 3-position side handle. Switch from standard drilling to hammer function with a click when you need to punch through tough materials from wood to stone. BLACK+DECKER™ 6.5 Amp 1/2 in. Hammer Drill