The DEWALT DCH775 XR FlexVolt SDS Max Rotary Hammer offers 2 modes of operation: hammer drilling and rotation-stop for demolition applications in brick, masonry and light chasing in concrete. Ideal for drilling anchor fixing and through-holes in concrete and masonry up to 52mm in diameter and core drilling up to 150mm. Its brushless motor provides improved run time and reduced maintenance. With electronic speed and impact energy control. 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 of 9.6m/s when drilling in concrete and 9m/s when in chiselling mode. Reduces fatigue whilst increasing safety, comfort and productivity. For added .