Weldless, drop forged, carbon steel shackle with an eye bolt which has a metric coarse threaded end. Please specify Ungalvanized (Black) or Galvanized shackle is required. Ungalvanized. Size: Body dia: 14mm, Opening: 24mm, Screw Pin Thread: M16, Clear Length: 63mm, Pin dia: 17mm, S.W.L: 1.2ton.