Turnbuckle

A turnbuckle is a device for adjusting the tension in ropes, cables, and tie rods. It normally consists of two threaded eyelets, one screwed into each end of a small metal loop, one with a left-hand thread and the other with a right-hand thread. The tension can be adjusted by rotating the loop, which causes both eyelets to be screwed in (or out). Turnbuckles are most commonly used in applications which require a great deal of tension; they can range in mass from about ten grams for a small cable to tens of kilograms for structural elements in buildings and suspension bridges.

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Rope: : Rope is also the title of a movie by Alfred Hitchcock...

Cable: A cable is two or more wires bound together which may be bare or covered or insulated. It may be protected by a jacket sheath which protects all. Electrical cables can also act as carriers for other media, including optical fibers....

Tie rod: A tie rod is a slender structural rod used as a tie and capable of carrying tensile loads only. Since the ratio of its length to the radius of gyration of its cross section is usually very large, it would buckle under the action of compressive forces. Tie rods are used for airplane structures and in...