This 18V Cordless 1-1/32" SDS-plus Rotary Hammer (model - DH1826DAQ4) features a compact design and a powerful brushless motor. It has 2.3 ft-lbs of impact energy, 950 RPM, and 4,300 BPM giving you the power and speed for the toughest jobs. The low vibration handle (LVH) allows you to GO all day with less fatigue and the reactive force control (RFC) lets you work safely - stopping the tool rotation in the event of bit binding. You can work cleaner with the new lighter and more compact cyclonic dust extractor (sold separately). The 18V cordless 1-1/32" SDS-plus Rotary Hammer is a part of the ever expanding MultiVolt System of 18-Volt and 36-Volt power tools from Metabo HPT. GO lighter with 18V batteries or GO longer with the unique MultiVolt battery that works on both 18V and 36V tools to double your runtime for up to 8.0Ah of runtime per charge for more power on the GO.