A powerful Air Ratchet Wrench with a 3/8\" square drive The Sealey SA615 air impact wrench has an extremely high torque output, reaching up to 75lb.ft (102Nm). This model has a 3/8\" square drive and a free speed of 450rpm, faster than traditional ratchets. The driveshaft is housed by a heat-treated alloy steel bushing to reduce wear and extend the life. Features: Manufactured with a composite covered handle to help reduce chill and vibration Features patented reactionless drive mechanism which stops the handle from snapping away when tightening bolts, preventing wrist injuries The enclosed ratchet head gives added strength and allows for high torque reaching up to 75lb.ft (102Nm) Free speed of 450rpm, faster than traditional ratchets The driveshaft is housed by a heat-treated alloy steel bushing to reduce wear and extend the life Built-in torque regulator adjustment Specification: Drive: 3/8\" Sq  Maximum Torque: 75lb.ft(102Nm)  Free Speed: 450rpm  Air Consumption: 2.5cfm  Operating Pressure: 90psi  Air Inlet Size: 1/4\"BSP  Length: 285mm  Weight: 1.4kg  Noise Power/Pressure: 106.45/95.45dB(A)  Vibration/Uncertainty: 12.86/1.77m/s_