Milwaukee's M12 FUEL™ 1/2" Hammer Drill is the Most Powerful Subcompact Hammer Drill, the Most Compact in size, and provides the Fastest Speed Under Load. The POWERSTATE™ brushless motor delivers the most power for the capability to perform the widest variety of applications at high speed for unrivaled subcompact performance. At only 6" in length, this portable drill is the shortest solution in class offering most access into tight spaces. Milwaukee's REDLINK PLUS™ Intelligence delivers top of the line thermal performance to give users the Fastest Speed Under Load in order to drill and drive faster than any other subcompact drill. Using the M12™ REDLITHIUM™ 2.0Ah compact and 4.0Ah extended capacity battery packs will deliver more work per charge and more work over the life of the pack than competitive batteries. Milwaukee's all-metal 1/2" chuck and all-metal gearcase deliver best-in-class durability. The mechanical clutch delivers consistent torque for driving fasteners. The M12 FUEL™ 1/2" Hammer Drill/Driver is part of the M12™ System which is fully compatible with over 125 solutions.