OC型美式花兰 Hook & Eye Type Turnbuckle：
OO型美式花兰 Eye & Eye Type Turnbuckle：
UU型美式花兰 Jaw & Jaw Type Turnbuckle：
* Hop dip galvanized.
* End fittings are and tempered.
* Proof load is 2.5 times working load limit, Ultimate load is 5 times working load limit.