Drop forged carbon steel shackle with a hexagon, metric coarse threaded bolt, which has a split pin hole at the end and a securing nut. Please specify Ungalvanized (Black) or galvanized shackle is required. Galvanized. Size: Body dia: 28mm, Opening: 43mm, Thread Bolt & Nut: M33, Clear Length: 95mm, Pin dia: 34mm, S.W.L: 4.8ton.