Adjustable Lunette Ring, Gross Towing Weight Capacity 12,000 lb, Ring Inside Diameter 3 in, Ring Outside Diameter 3 in, Number of Mounting Holes 10, Distance Between Mounting Holes 2 in, Mounting Hole Diameter 21/32 in, Material Iron, Features 3-Position Adjustable Eye Assembly with 3 in Channel 6-Ton, Includes Fasteners, Resistance Properties Corrosion-, Finish Unfinished, For Use With Construction Trailers, Utility Trailers, Overall Width 3 1/2 in