Powerful 1/2Sq drive impact wrench with twin hammer mechanism for increased torque. Air motor features quality bearings steel end plates and carefully finished components to ensure smooth running and maximum power. Combination forward/reverse and speed selector. 1/2Sq Drive Air Impact Wrench – Twin Hammer Fastening Torque: 480lb.ft(653Nm). Breakaway Torque: 500lb.ft(680Nm). Powerful impact wrench with twin hammer mechanism for increased torque. Air motor features quality bearings ductile steel end plates and carefully finished components to ensure smooth running and maximum power. Combination forward/reverse and speed selector. 3 Year guarantee*. Model No. SA602Model No: SA602:Air Consumption: 4.2cfm:Brand: Premier:Breakaway Torque: 500lb.ft(680Nm):Drive: 1/2Sq:Fastening Torque: 480lb.ft(653Nm):Free Speed: 7500rpm:Inlet Size: 1/4BSP:Nett Weight: 2.6kg:Noise Power/Pressure: 103/92dB(A):Operating Pressure: 90psi:Vibration/Uncertainty: 5.47/1.5m/s:PTDSEASA602