55RNAL-2-4 CLECO 55 Series Inline Nutrunner, Lever Start. Cleco 55 Series Inline Nutrunners feature a lever start and a twist ring reverse. Cleco 55 Series Inline Nutrunners feature a heavy-duty cleco motor which is the industry standard for reliability. The durable clecomatic clutch on the Cleco 55 Series Inline Nutrunners delivers best-in-class torque repeatability and long calibration cycle. Cleco 55 Series Inline Nutrunners feature planetary gears designed for tool speed changes with minimum parts service and replacement. Cleco 55 Series Inline Nutrunners also feature heavy-duty spindle bearings and splined retractable spindles reduce friction, improves torque repeatability and prolongs life. Square Drive: 1/2” Start Type: Lever Start Torque Range: 30-67lbs. / 46-91Nm Free Speed (rpm): 270 Overall Length: 16.1” / 410mm Weight: 6.5lbs / 3.0kg Air Inlet NPT: 1/2” Min. Hose I.D: 1/2” SCFM: 55