The 20V MAX Brushless 1-1/8-inch Rotary Hammer is a high-performance drill powered by a brushless motor and a durable German-engineered mechanism, delivering 3.0 Joules of impact energy. The lightweight design makes this tool ideal for forming, #3 to #5 post installed rebar dowelling, tilt wall support, rod hanging, beam & column anchorage, and steel stanchion mounting. DEWALT cordless hammer drill is part of the PERFORM and PROTECT product line, integrated with the SHOCKS ACTIVE VIBRATION CONTROL System and becomes OSHA Table 1 Compliant when used with the DWH205DH On Board Extractor.