Features: Generation Series twin hammer impact wrench. Suitable for garage, tyre shop and workshop applications. Handle exhaust reduces noise output and contoured soft grip handle gives added comfort and control. Features three-position adjustable air/torque control and reversible action. Specifications: Model No: GSA02 Drive: 1/2"Sq Working Torque: 400lb.ft(544Nm) Maximum Torque: 460lb.ft(626Nm) Ultimate Torque: 500lb.ft(680Nm) Free Speed: 7000rpm Air Consumption: 5.6cfm Operating Pressure: 90psi Air Inlet Size: 1/4"BSP Weight: 2.1kg Noise Power/Pressure: 101.34/90.34dB(A) Vibration/Uncertainty: 7.76/0.78m/s� Load Vibration: 7.76 Noise Power: 101.34 Noise Pressure: 90.34 Height: 215 Width: 219 Length: 83