HR2641 is engineered with Anti Vibration Technology, an internal counterbalance system for significantly less vibration. 8 AMP motor that delivers 2.9 Joules 2.1 ft.lbs. of impact energy to handle the most demanding applications. The 3 mode operation offers rotation only,  hammering with rotation or chipping only for multiple applications. The ergonomic D shaped handle with a rubberized soft grip provides increased operator comfort.