55RNL-3T-4 CLECO 55 Series Angle Nutrunner, Stall, Reversible. Cleco 55 Series Stall Reversible Angle Nutrunners feature a lever start and twist ring reverse. Cleco 55 Series Stall Reversible Angle Nutrunners have a heavy duty Cleco motor which is the industry standard for reliability. Cleco 55 Series Stall Reversible Angle Nutrunners are engineered for performance, durability, mounting versatility, and serviceability. Cleco 55 Series Stall Reversible Angle Nutrunners feature planetary gears designed for tool speed changes with minimal parts service and replacement. Cleco 55 Series Stall Reversible Angle Nutrunners also feature heavy duty spindle bearings and splined retractable spindles that reduce friction, improves torque repeatability, and prolongs life. Cleco nutrunners are available with stall-type torque control, giving operators more control over power output and speed. In this configuration, the nutrunner runs until resistance in the fastener causes it to stall. Then, the operator can release the throttle and remove the tool. This can be especially useful for applications with varying torque rates. Square Drive: 1/2” Max Torque: 100ft-lbs. / 136Nm Free Speed (rpm): 195 Overall Length: 16.8” / 425mm Weight: 6.5lbs / 2.9kg Head Height: 2.0” / 50mm Side to Center: 0.9” / 22mm Air Inlet NPT: 1/2” Min. Hose I.D: 1/2” SCFM: 55