Shackles - Multi-use: Type - Anchor; Size - Nominal - 3/4 in; Size - Opening - 1.25 in; Size - ID Max - 1.81 in; Pin Diameter - 0.88 in; Pin Type - Screw Pin; Material - Forged Steel; Finish - Galvanized, Blue Bolt; Working Load - 4.750 ton; Weight Each - 2.00 lb; Listings - RR-C-271, Type IVA, Grade A, Class 2; Manufacturer Series - Campbell 419-G