Features: Highest torque (650 Nm) in its class for the toughest screwdriving applications in metal (M 12 - M 20) and concrete Extremely robust and tough due to all-metal gearbox and metal housing At 3.0 kg, it is one of the lightest High-Torque impact wrenches Unique Bosch Premium lithium-ion technology for unbeatable battery runtime Bosch Electronic Cell Protection (ECP): protects the battery against overload, overheating, and deep discharge Practical battery charge level indicator constantly shows how much energy is left in the battery MADE IN USA Bare Tool - Battery and Charger not yet included Technical data Rated power input 500 W Torque, max. (hard screw driving applications) 250 Nm Torque, max. (soft screw driving applications) 160 Nm Bit holder 1/2″ external square Rated speed 500 – 1300 rpm No-load speed 800 – 1900 rpm Weight 3.2 kg Length 315 mm Height 200 mm Screw driving Screw diameter M 18 Tightening screws and nuts of maximum permitted size Vibration emission value ah 4 m/s² Uncertainty K 0.5 m/s²