The most compact hammer drill/driver in its class is up to 20 percent faster in concrete than the competition. Built with a Milwaukee 4-Pole Frameless Motor, this M18TM cordless lithium-ion 1/2" hammer drill/driver delivers 450 in-lbs of peak torque with the 2.0 Compact REDLITHIUM battery. A variable-speed trigger provides speed control between 0-1,700 RPM on high speed and 0-450 RPM on low, with 0-29,000 BPM. This compact, ergonomic hammer drill/driver is the only one in its class with an all-metal gear case for maximum durability, even on the most challenging worksites. The REDLITHIUM 4.0 XC Battery Pack delivers more work per charge and more work over pack life than the competitors. The kit includes two M18 Compact REDLITHIUM batteries, a one-hour charger and a carrying case.