Features: Combination of composite materials, alloyed metals and twin hammer design result in a lightweight, durable and powerful air impact wrench. Soft grip handle with downward facing exhaust make this wrench comfortable on the hands and ears and limits the circulation of brake dust on wheel applications. Fingertip power control and direction via lever on rear of wrench. Suitable for professional garage use.Specifications: Model No: GSA6004 Drive: 3/4"Sq Working Torque: 995lb.ft(1350Nm) Maximum Torque: 1180lb.ft(1600Nm) Ultimate Torque: 1300lb.ft(1760Nm) Free Speed: 4200rpm Air Consumption: 30cfm Operating Pressure: 114psi Air Inlet Size: 3/8"BSP Weight: 4.36kg Noise Power/Pressure: 97/108dB(A) Vibration/Uncertainty: 7.7/2.4m/s�