A weldless, drop forged, carbon steel shackle with a hexagon, metric coarse threaded bolt, nut, and a split pin hole at the other end. Please specify Ungalvanized (Black) or Galvanized shackle is required. Ungalvanized. Size: Body dia: 80mm, Opening: 120mm, Thread Bolt & Nut: M90x6, Clear Length: 366mm, Pin dia: 96mm, S.W.L: 40ton.