The AIRCAT 1150-BAG is 1/2" Composite Impact wrench with a AIRCAT travel bag packaged in 1 box for a limited time for the 4th quarter 2016. First come first serve promotion. The 1150 is a twin hammer impact producing 1295 ft-lbs of loosening torque. There several patents on this tool - The ergonomic handle & grip, the exhaust technology lowers noise to 86 dBa, and the Forward / Reverse switch for easy change of direction. The 1150 has a 2 year warranty which is standard for AIRCAT Pneumatic Tools.