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. Ungalvanized. Size: Body dia: 70mm, Opening: 105mm, Thread Bolt & Nut: M80x6, Clear Length: 238mm, Pin dia: 83mm, S.W.L: 31.5ton.