The most compact hammer drill/driver in its class is more powerful than the competition. Built with a Milwaukee® four-pole frameless motor, the M18™ compact 1/2 in hammer drill/driver delivers 500 in-lb of torque and up to 1800 rpm. At only 7-3/4 in L, this drill driver allows you access to the tightest work spaces. An all-metal gear case and 1/2 in metal chuck provide maximum durability, even on the most challenging worksites. REDLINK™ intelligence provides advanced protection in abusive situations and manages the tool's temperature to provide maximum life. The REDLITHIUM™ battery pack delivers more work per charge and more work over pack life than the competitors. The kit includes two M18™ compact REDLITHIUM™ batteries, an M18™ and M12™ multi-voltage charger and a carrying case.