Makit's new 42-lb. HM1317CB Demolition Hammer for concrete applications includes AVT (anti-vibration technology) for less vibration in the tool for more efficient hitting. Its 14 amp motor with soft start and constant speed control provides 730-1,450 bpm and 34.9 joules of impact energy. It features an electronic variable speed adjusting dial, a "no hammering when idling" setting and a 16.4-ft. cord. A side handle swivels 360° for greater control.