Lbs of working torque, free speed of 7500RPM, which is perfect for heavy maintenance, installing and removing heavy fasteners, and auto/machine installation. PowerfulPowered by air, this pneumatic heavy-duty air impact wrench is enough for all kinds of heavy-duty work, making everything easier. The rear exhaust can keep the exhaust air and any oil away from the workpiece. Average air consumption: 6.5cfm. Operation pressure: 90 PSI minimum.
Note: Use sealant tape to avoid air leakage.