Square Drive Tang Size [mm (inch)]: 12.5 (1/2"); Torque to [Nm]: 500; Operating Mode: pneumatic; Operating Pressure [bar]: 6.3; Air Consumption [l/min]: 115; RPM to [rpm]: 7500; Air Connection Thread: 1/4; Weight [kg]: 1.42; Rotation Direction: Can be used in clockwise and anticlockwise direction