Bolt-On Lunette Ring, Gross Towing Weight Capacity 90,000 lb, Ring Inside Diameter 3 in, Ring Outside Diameter 3 in, Number of Mounting Holes 4, Distance Between Mounting Holes 4 1/2 in, Mounting Hole Diameter 57/64 in, Material Steel, Resistance Properties Corrosion-, Finish Powder Coated, For Use With Construction Trailers, Heavy Equipment Trailers, Pintle Hitches, Pup Trailers, Overall Length 7 in, Overall Width 6 5/8 in