The DCH481X2 60 V maximum brushless 1-9/16 in SDS max combination hammer is a lightweight high-performance hammer that is powered by a DeWALT brushless motor and durable German engineered mechanism. The DCH481 delivers 6.1 J of impact energy for fast drilling, even in the hardest concrete. The light weight design makes it ideally suited for horizontal serial drilling for #4 to #8 rebar, dry coring and chipping in any mid to upper wall and ceiling application. The patented E-Clutch® system provides enhanced control to the user in a bind up situation and can help minimize sudden torque reaction compared to standard clutches. The Active Vibration Control® technology employed delivers reduced user vibration for less user fatigue and greater productivity. With it's balanced design, SHOCKS® Active Vibration Control® technology and extreme run time, this hammer is ideally suited for all day use, even in the hardest concrete.