Shackles - Multi-use: Type - Anchor; Size - Nominal - 1-1/2 in.; Size - Opening - 2.37 in.; Size - ID Max - 3.87 in.; Pin Diameter - 1.63 in.; Pin Type - Bolt, Nut & Cotter Pin; Material - Forged Steel; Finish - Galvanized, Blue Bolt; Working Load - 17.000 ton; Weight Each - 16.00 lb; Listings - RR-C-271, Type IVA, Grade A, Class 3; Manufacturer Series - Campbell 999-G