Shackles - Multi-use: Type - Anchor; Size - Nominal - 7/8 in.; Size - Opening - 1.44 in.; Size - ID Max - 2.06 in.; Pin Diameter - 1.00 in.; Pin Type - Screw Pin; Material - Forged Steel; Finish - Self-Colored, Blue; Weight Each - 3.30 lb; Listings - RR-C-271, Type IVA, Grade A, Class 2; Manufacturer Series - Campbell 419-S