The Makita DHR171Z is a 17mm cordless rotary hammer powered by 18V LXT Li-ion battery. It has a compact & lightweight design that
Includes:: vibration absorbing housing & an LED job light. With both forward / reverse rotation, the DHR171Z also features 2-mode operation, rotary only & rotary hammer. The unit also offers variable speed control by trigger as well as constant speed control for more efficient use. For easy operation, there is a one touch, sliding chuck for simple bit installation & removal. Other features include a brushless motor & an electric brake.