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: 80mm, Opening: 120mm, Thread Bolt & Nut: M90x6, Clear Length: 272mm, Pin dia: 96mm, S.W.L: 40ton.