Hayn Turnbuckle Body, Closed, 7/8" SS - TBC28-3 ( #78TB )Hayn's closed body turnbuckle is manufactured from type 316 stainless steel. 1 4" to 1 2" bodies have a hole instead of a wrench flat for adjustment. 5 8" bodies and up include bronze threaded inserts to prevent stainless on stainless galling. Features: Manufactured fom high strength Bronze alloy. 1 4" to 1 2" bodies have a hole instead of a wrench flat for adjustment. 5 8" bodies and up include bronze threaded inserts to prevent stainless on