The industry's first subcompact hammer drill driver delivers best-in-class power, speed and durability. For contractors, maintenance technicians, remodelers or anyone who's seeking portability and performance, the compact and lightweight M12™ cordless hammer drill driver gets the job done. It delivers best-in-class 275 in-lb of torque and 0 to 400/0 to 1500 rpm with the REDLITHIUM™ 12 V battery (sold separately). The all metal single sleeve ratcheting chuck offers superior bit grip, so you won't have to stop for bit retightening or lost bits. An on-board FUEL™ gauge and built-in LED light offer convenience and minimize interruptions, even during prolonged use.