55RNAL-3P-4 CLECO 55 Series Angle Nutrunner, Clecomatic Clutch. Cleco 55 Series Clecomatic Clutch Angle Nutrunners feature an external torque adjustment, are reversible, feature a rotating exhaust deflector, and are available with a 1/2” square drive. Cleco 55 Series Clecomatic Clutch Angle Nutrunners inlcude a heavy-duty cleco motor which is the industry standard for reliability. Cleco 55 Series Clecomatic Clutch Angle Nutrunners durable Clecomatic Clutch delivers the best-in-class torque repeatability and long calibration cycle. Cleco 55 Series Clecomatic Clutch Angle Nutrunners feature planetary gears that are designed for tool speed changes with minimal parts service and replacement. Cleco 55 Series Clecomatic Clutch Angle Nutrunners feature heavy-duty spindle bearings and splined retractable spindles thar reduce friction, improve torque repeatability, and prolongs life. Clecomatic nutrunners shut off the instant the clutch reaches its adjustable preset torque. This action provides an accurate method of controlling torque without sacrificing tool speed. Square Drive: 1/2” Torque Range: 36-80ft-lbs. / 49-109Nm Free Speed (rpm): 220 Overall Length: 19.1” / 486mm Weight: 7.4lbs / 3.3kg Head Height: 1.6” / 41mm Side to Center: 0.7” / 18mm Angle Head: P Air Inlet NPT: 1/2” Min. Hose I.D: 1/2” SCFM: 55