Black & Decker BEHD201 Corded Hammer Drill, 6.5 Amp, 1/2"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. 2 position switch to select standard or hammer