The Aircat® 1/2in. impact wrench has a tough Kevlar® composite body for the ultimate in durability, strength and comfort. Delivers up to 1100 ft.-lbs. of loosening torque. Engineered, designed, tested and assembled in the U.S.A. Kevlar is a trademark of the I.E. Dupont® Co and its assigns. Key Product Specs Drive (in.) 1/2 Average Air Consumption (CFM) 4 Speed - No Load (RPM) 7000 Blows Per Minute (BPM) 1300 Max. Torque (ft.-lbs.) 1100 Working Torque (ft.-lb.) 200–900 Inlet Size (in.) 1/4 NPT Min. Hose Size (in.) 3/8 Noise Level (dB) 86 Tool Length (in.) 7.5 Tool Weight (lbs.) 4.3 Case Included No