The AIRCAT 1900 "Super Duty" 1" Aluminum Impact Wrench offers a durable, hard-hitting twin hammer mechanism to creat a higher speed and faster blow per minute. This impact wrench provides an ergonomically designed handle, and AIRCAT's patented quiet tuned exhaust. Other features include a working torque of 170-1,580 ft./lbs., a free speed of 4,800 rpm, sound level of 89 dBA, air pressure of 90-120 psi and an average air consumption of 16.24 CFM. The 1900 weighs 22.1 lbs and is 20.25" long. Comes with a one-year parts and labor limited warranty.