French Creek Cable R50 Series 3 Way Rescue Unit - 50 ft.* This self retracting lifeline is able to raise and lower a worker for rescue or retrieval. If a worker slips or falls, the unit locks up, arresting the fall. The system can be activated into winch mode, raising or lowering the worker to safety. * The R50 has a friction brake that prevents the crank handle from free wheeling while under load. * The unit is manufactured of rugged, lightweight aluminum housing for extra strength and security. *