45RNAB-4-3 CLECO 45 Series Inline Nutrunner, Button Start. Cleco 45 Series Inline Nutrunners feature a button start and twist ring reverse. Cleco 45 Series Inline Nutrunners feature a heavy-duty Cleco motor which is the industry standard for reliability. The durable Clecomatic Clutch on the Cleco 45 Series Inline Nutrunners delivers best in class torque repeatability and a long calibration cycle. Cleco 45 Series Inline Nutrunners also feature planetary gears designed for tool speed changes with minimal parts service and replacement. The Cleco 45 Series Inline Nutrunners are engineered for performance, durability, mounting versatility, and serviceability. Square Drive: 3/8” Start Type: Button Start Torque Range: 14-22lbs. / 19-30Nm Free Speed (rpm): 560 Overall Length: 14.5” / 368mm Weight: 5.4lbs / 2.4kg Air Inlet NPT: 3/8” Min. Hose I.D: 3/8” SCFM: 33