A drop forged, carbon steel shackle with an eye bolt which has metric coarse threads at one end. Please specify Ungalvanized (Black) or Galvanized shackles is required. Ungalvanized. Size: Body dia: 48mm, Opening: 96mm, Screw Pin Thread: M56, Clear Length: 163mm, Pin dia: 58mm, S.W.L: 10ton.