Milwaukee m18 fuel 2-tool cordless brushless combo kit is highest performing hammer drill and hydraulic driver combo kit on market. Included is m18 fuel surge 1/4in. Hex hydraulic driver, quietest hydraulic driver on market. 1/4in. Hex hydraulic driver features proprietary fluid-drive hydraulic powertrain and 4-mode drive control. Also included isMilwaukee m18 fuel hammer drill delivering industry's most powerful drill delivering up to 60% more power, is up to 1.5 shorter and is up to 2x faster under heavy load. Powerstate brushless motor delivers 1,200 in/lbs of torque and 2000 rpm providing fast drilling through demanding applications. At 6.9in. In length this is most compact drill in its class giving better access into tight spaces and reducing fatigue. M18 fuel features most advanced cordless technology in industry, a powerstate brushless motor, redlink plus intelligence, and redlithium battery technology, resulting in longer motor life, longer run time, and more power.