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: 22mm, Opening: 44mm, Screw Pin Thread: M27, Clear Length: 74mm, Pin dia: 27mm, S.W.L: 2ton.