The DCH133B 20V Max XR Brushless 1 in. D-Handle Rotary Hammer is a compact, lightweight, and high-performance rotary hammer that is powered by a durable German-engineered mechanism that delivers 2.6 joules of impact energy. At the heart of this tool is the DEWALT brushless motor and durable rotary hammer mechanism. With its better-than-corded speed of application, compact size, light weight, and balanced design, this DEWALT cordless rotary hammer can replace your corded tool. The mechanical clutch enhances user control in a bind up situation and can help minimize sudden torque reaction. The DCH133 is dust extraction ready for the D25301D.