Most compact, slimline hammer available in its class. Unmatched performance with 2.4 J blow energy and 4500 bpm. Lowest vibration only 13.5 m/s². Extreme Milwaukee© durability thanks to integrated metal block technology. Innovative and patented internal weight reduction technology. Hammer stop function. Safety clutch protects machine and user if drill bit jams. X version comes with fast changing FIXTEC adaptor with keyless chuck. 4 m cable.