Champion in breaking performance with 28 J of impact force and 1,900 bpm impact speed Brushless motor for a longer lifetime through spark-free operation Auto-Gear-Rotation technology for an extended gear runtime HMI and connectivity make it easier to understand the tool usage and plan preventive maintenance to avoid unexpected downtime View more Functions & key features Bosch Heavy Duty Bosch Heavy Duty - Power, Performance and Robustness redefined! 22 mm Longer motor life - more runtime - more power thanks to brushless motor Auto gear rotation Comfortable working thanks to low vibration by adding rubber mounting/foam padding to the handles