The Chicago Pneumatic CP7741 1/2" Pneumatic Impact Wrench Series is ideal for operators working in maintenance or tire changing applications. The CP7741 series, formally the CP7736 series, offers a free speed of 10,000 rpm, forward working torque range of 90 to 510 ft-lbs, and a maximum reverse torque of 715 ft-lbs. It also has three forward settings and a composite handle for less heat transfer. Each tool measures 7.2" in height.