A weldless, drop forged, carbon steel shackle with an eye bolt which has metric coarse threads on the end. Please specify Ungalvanized (Black) shackle or Galvanized shackle is required. Galvanized. Size: Body dia: 14mm, Opening: 28mm, Screw Pin Thread: M16, Clear Length: 63mm, Pin dia: 17mm, S.W.L: 0.9ton.