Shackles - Multi-use: Type - Anchor; Size - Nominal - 1-3/4 in.; Size - Opening - 2.87 in.; Size - ID Max - 4.75 in.; Pin Diameter - 2.00 in.; Pin Type - Bolt, Nut & Cotter Pin; Material - Forged Steel; Finish - Galvanized, Blue Bolt; Working Load - 25.000 ton; Weight Each - 28.50 lb; Listings - RR-C-271, Type IVA, Grade A, Class 3; Manufacturer Series - Campbell 999-G