Shackles - Multi-use: Type - Anchor; Size - Nominal - 1/2 in; Size - Opening - 0.81 in; Size - ID Max - 1.25 in; Pin Diameter - 0.63 in; Pin Type - Screw Pin; Material - Forged Steel; Finish - Self-Colored, Blue; Working Load - 2.000 ton; Weight Each - 0.70 lb; Listings - RR-C-271, Type IVA, Grade A, Class 2; Manufacturer Series - Campbell 419-S