A control consisting of a wire, wire rope, or a center load rail with ball bearings, within a flexible conduit. One end must have a threaded sleeve for mounting to a wall, bulkhead, or handle, or clevis. It is used to operate or control, either manually or mechanically a mechanical device. It may include such attaching devices as nu (s), washer(s), clevis, bracket(s) , and/or the like. For items designed to transmit rotary motion, see shaft assembly, flexible.