The turnbuckle main have eye&eye,fork&fork,hook&hook for bolt parts. The body have closed body and open body.which main in adjust the cable length and tie wire rope. The products were applicated on many field. Such as electric power,lifting, binding,tensile structure and so on.Due to which is very convenience. When you choose suitable fittings,pls also consult our profession worker. The difference size and bolt type have difference work load and for difference use. Terada have a long experience on hardware and could offer you some suggestion.