Powerful 7.4A motor provides power for a hard-hitting 2.5 ft/lb of energy per blow, 0 to 980 RPM, and 0 to 4200 BPM. Rotary hammer offers 3 modes of operation; rotation with hammering, hammer only, and rotation only. Versatile tool can be used for drilling in steel, wood, or concrete. Use rotation only for drilling in steel and wood with optional chuck and adapter. Use rotation with hammering when drilling in concrete. Use hammer only for light chipping work. 1-1/8" solid bit capacity, 3-1/2" thin wall core bit capacity in concrete, or 4" accurate hole positioning. A slip clutch stops rotary action when a bit jams protecting the mechanism from overload. Tool is lightweight at 8.3 lb., compact at 14", in a well-balanced design. D-style rear handle offers a secure, comfortable grip and a 2-finger speed control trigger switch. 10', 3-wire cord. Includes side handle, depth gauge, and carrying case.