Dewalt d25902k 10kg sds max demolition hammer has a powerful and durable 1550 watt motor which delivers outstanding concrete breaking performance with active vibration control system it incorporates a counterbalance mass and a floating handle delivers extremely low vibration its in line design makes for better handling and its quick change chisel adjustment allows fast orientation of the chisel through 12 preset positions its magnesium housings ensure maximum durability and minimum weight its co