This demolition hammer is easy to use as it only weighs 13.7 lbs. Its relatively light weight doesn’t compromise its power as this equipment delivers 6.1 ft.-lbs. of impact energy and a max of 2,900 BPM. With its Vibration Control™ feature, this demolition hammer is convenient to use. You can handle serious demolition work with this hammer as it provides a Constant Response™ circuitry for constant power under load, as well as smooth starts and overload protection. Even if you’re not a pro when it comes to construction equipment, taking care of Bosch 11321EVS SDS-Max Demolition Hammer is easy as it has SDS-max® chuck system, which provides tool-free bit changes and Service Minder™ light, which indicates when maintenance is needed.