Drop forged carbon steel shackle with a hexagon, metric coarse threaded bolt, which has a split pin hole at the end and a securing nut. Please specify Ungalvanized (Black) or galvanized shackle is required. Galvanized. Size: Body dia: 90mm, Opening: 135mm, Thread Bolt & Nut: M100x6, Clear Length: 306mm, Pin dia: 108mm, S.W.L: 50ton.