Master Mechanic, 12, Air Impact Wrench, 650 FTLB Of Max Torque, 7500 No Load RPM, Twin Hammer Mechanism For Balanced Impacts, Durable Aluminum Housing With Rubber Grip, 12 Square Drive, Adjustable Torque Output With Built In Regulator, 99 Db Noise Level, 65 CFM Air Consumption, 14 Inlet