Tough on concrete, not on you. Makita's hard-hitting HM1810 70 lb breaker hammer is equipped with Anti-Vibration Technology (AVT®), an exclusive counterbalance system that reduces vibration. The result is more efficient hitting on the concrete and less vibration in the tool and the tool user. 15 A power. The HM1810 with AVT® is engineered to be the most efficient breaker hammer in it's class with a 15 A motor that provides 1110 bpm and 63 J of impact energy with less vibration. In addition, it has an automatic brush cut-off system that protects the commutator and a warning indicator lamp for longer tool life. More work, less vibration. The HM1810 is equipped with AVT®, Makita's exclusive counterbalance system that reduces vibration for more efficient hitting power. The breaker hammer also has lower noise at just 107 dB. The HM1810 weighs 71.3 lb and has large side handles with an easy-to-operate switch control for better control and comfort. For added convenience, the HM1810 has a 16.4 ft cord and accepts the popular 1-1/8 in hex steel shank for a wide variety of breaker hammer accessories. Versatile design for a range of applications. The HM1810 with AVT® is a hard-hitting breaker hammer for digging, chipping and breaking. it's great efficiency, versatility and comfort make the HM1810 an ideal breaker hammer for landscapers, pool installers, electricians, plumbers, masons, remodelers and general contractors seeking a top-in-class industrial quality 70 lb breaker hammer.