Square Drive Tang Size [mm (inch)]: 12.5 (1/2"); Tightening torque to [Nm]: 677; Idle Speed [rpm]: 9000; Working pressure to [bar]: 6,3; Air Consumption [l/min]: 134; Length [mm]: 109; Operating Mode: pneumatic; Filler Hose Connector Thread [inch]: 1/4; Rotation Direction: Can be used in clockwise and anticlockwise direction