The DEWALT DCH773 XR FlexVolt SDS Max Rotary Hammer offers unrivalled run time and performance that gives unprecedented levels of power, for heavy-duty applications without the need for mains power. Offer 2-modes of operation: Rotary Hammer and Rotation-stop: for demolition applications in brick, masonry and light chasing in concrete. An anti-rotation system detects a loss of tool control and reacts by instantly cutting the power. Its active vibration control system incorporates a floating handle that delivers extremely low vibration. Ideal for drilling anchor fixings and through holes in concrete, masonry and core drilling. Modes: Rotary Hammer, Rotary Stop No Load Speed: 145-290/min. Impact Rate: 1,105-2,210/bpm with 19.4 joules Capacity: Concrete 52mm, Core Bit: 152mm Weight 9.5kg