Campbell Hausfeld 1/2" Air Ratchet Extended (CL154800AV) The Campbell Hausfeld 1/2-inch air ratchet (CL154800AV) delivers 90 ft.-lbs. of torque to handle large fasteners on engines and heavy machinery Extra-long handle provides additional leverage for ease of use and the heavy duty head design for durability and longer life. Finish your projects faster and easier with Campbell Hausfeld - The Air Power Expert Drive: 1/2 in., Max Torque: 90 ft.-lbs., Free Speed RPM: 150, Air Consumption Avg.: 8 SCFM