Step Bumper Receiver, Hitch Type Trailer Receiver Hitch, Vehicle Class III, Hitch Size 2 in Receiver Opening Round Tube Hitch, Gross Trailer Weight Capacity 4,500 lb, Gross Vehicle Weight Capacity 4,500 lb, Gross Towing Weight Capacity 4,500 lb, Tongue Weight 675 lb, Material Steel, Finish Powder Coated, Diameter Not Applicable, Overall Length 20 1/8 in, Overall Width 41 1/4 in, Overall Height 10 3/4 in, Number of Mounting Holes 4, Mounting Hole Diameter 1/2 in