The Hitachi DH24PC3 3-mode 15/16 inch Rotary Hammer drills holes in concrete, tile and brick. With a chuck adapter, this model can drill holes in steel and wood as well as tighten and loosen both machine and wood screws. The DH24PC3 can also do light duty chiseling of concrete as well as groove digging and edging. Applications include installation of air conditioning, piping and plumbing, electrical work, interior decoration and other civil engineering, construction and repair work. Features: Hitachi DH24PC3 15/16" SDS Plus Rotary Hammer 7.0 Amp motor with 800 watts of input power combines powerful hammering with high-speed drilling 2.5 ft/lbs of impact energy, best in class for delivering high-speed drilling and chipping Quick-set bit system, makes replacing bits quick and easy Electronic variable speed control, gives the tool a no-load RPM between 0-1,150 3-modes of operation, hammer drill/hammer only and drill only for flexibility within a range of applications Push-button reverse