Flat Plate Coupler, Coupler Style Adjustable, Vehicle Class IV, Gross Towing Weight Capacity 25,000 lb, Gross Vehicle Weight Capacity 25,000 lb, Compatible Ball Diameter 2 5/16 in, Compatible Pin Hole Diameter Not Applicable, Material Steel, Finish Primer, Overall Length 9 in, Resistance Properties Corrosion-, Weight 12.25 lb, Tongue Width Not Applicable, Color Gray, Compatible Product Type Trailer and Tow Vehicle