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: 40mm, Opening: 60mm, Screw Pin Thread: M 48, Clear Length: 188mm, Pin dia: 48mm, S.W.L: 10ton.