Tough on concrete, not on you. Makitas hard-hitting HM1214C 27 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. 14 AMP power the HM1214C with AVT is engineered to be the most efficient breaker hammer in its class with a 14 AMP motor that provides 950-1,900 BPM and 25.7 joules 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 HM1214C 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 102 dB. The HM1214C weighs 27.1 lbs., and has a large side handle with an easy-to-operate switch control for better control and comfort.