The Milwaukee 2450-22 M12 1/4 in. Hex Impact Driver is compact and lightweight yet delivers 850 in.-lb. of torque. Powerful enough to handle tough fastening jobs with ease, the driver comes with a 12-volt lithium-ion battery that provides long runtime and a high number of impacts per minute. The Milwaukee 2450-22 driver's 1/4 in. hex head offers easy bit changes. Cordless tools powered by red lithium batteries deliver more torque, more power, and longer run-time than the competition. With purchase of a 2450-22 receive a free M12 2.0 Ah Compact Battery.