The Ingersoll Rand 1/2in. Impactool Air Impact Wrench is a powerful, durable and reliable workhorse that can handle the toughest fastening tasks. Loosen the toughest bolts with 1,300 ft.-lbs. of nut-busting torque and 900 ft.-lbs. of reverse torque, powered by a finely tuned twin hammer impact mechanism. The 2235QTiMax is built with a titanium hammercase, steel wear plate and composite housing that protects the tool from the harshest environments. From the garage to the most demanding industrial sites, there is no job that will stand in its way. Hammer Mechanism: Twin hammer, Impacts Per Minute (IPM): 1,220, Case Included: No, Drive (in.): 1/2, Noise Level (dB): 91.9, Tool Length (in.): 7.6, Tool Weight (lbs.): 4.7, Operating PSI: 90, Standard Bolt Capacity (in.): 3/4, Average Air Consumption (CFM): 6, Inlet Size (in.): 1/4, Reversible: Yes, Forward Torque (ft.-lbs.): 870, Max. Reverse Torque (ft.-lbs.): 900, Max. Torque (ft.-lbs.): 930, CFM at Load: 6, Nut Busting Torque (ft.-lbs.): 1300, Min. Hose Size (in.): 3/8, Speed – No Load (RPM): 8,500, Variable Speed: Yes