Shackles - Multi-use: Type - Anchor; Size - Nominal - 1 in; Size - Opening - 1.69 in; Size - ID Max - 2.50 in; Pin Diameter - 1.13 in; Pin Type - Screw Pin; Material - Forged Steel; Finish - Galvanized, Blue Bolt; Working Load - 8.500 ton; Weight Each - 5.00 lb; Listings - RR-C-271, Type IVA, Grade A, Class 2; Manufacturer Series - Campbell 419-G