Twin hammer mechanism utilises oversized hammers and specially strengthened hammer cage to pull even more torque out of the precision air motor. Precision made components fit closely to reduce air leakage and maximize power. Flip reverse control on the rear of the tool with 4-position air regulator on the handle base. 3/4Sq Drive Premier Air Impact Wrench – Twin Hammer Fastening Torque: 1150lb.ft(1564Nm). Breakaway Torque: 1200lb.ft(1632Nm). Twin hammer mechanism utilises oversized hammers and specially strengthened hammer cage to pull even more torque out of the precision air motor. Precision made components fit closely to reduce air leakage and maximize power. Flip reverse control on the rear of the tool with 4-position air regulator on the handle base. 3 Year guarantee*. Model No. SA604Model No: SA604:Air Consumption: 7cfm:Brand: Premier:Breakaway Torque: 1200lb.ft(1632Nm):Drive: 3/4Sq:Fastening Torque: 1150lb.ft(1564Nm):Free Speed: 6500rpm:Inlet Size: 1/4BSP:Nett Weight: 4.6kg:Noise Power/Pressure: 108/97dB(A):Operating Pressure: 90psi:Vibration/Uncertainty: 10.3/1.5m/s:PTDSEASA604