Durable and lightweight aluminum housing with cushioned grip Comfort grip provides extended use with less fatigue Forward/reverse switch for change of anvil rotation direction Paddle style trigger for easy tool start and control Air exhausts from the middle of tool An economical tool for mechanics and many other DIYers Specifications Square Drive: 3/8" No Load Speed: 160 RPM Max. Torque: 50 ft-lbs Avg. Air Consumption: 4 CFM @ 90 PSI Operating Pressure: 90 PSI Air Inlet:1/4" NPT Recommended Hose Size (ID): 3/8" Includes: (1) 3/8 in. Air Ratchet Wrench, (1) 1/4" NPT Male Plug, and (1) Operator's Manual