Shackles - Multi-use: Type - Anchor; Size - Nominal - 1-1/2 in; Size - Opening - 2.38 in; Size - ID Max - 3.88 in; Pin Diameter - 1.63 in; Pin Type - Screw Pin; Material - Forged Steel; Finish - Galvanized; Working Load - 17.000 ton; Weight Each - 16.00 lb; Listings - RR-C-271, Type IVA, Grade A, Class 2; Manufacturer Series - Campbell 419-G