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: 22mm, Opening: 34mm, Screw Pin Thread: M 24, Clear Length: 104mm, Pin dia: 26mm, S.W.L: 3ton.