Towever 84172 Trailer Hitch Tri Ball Mount (Class III/IV 2 in Receiver, Black Powder Coated, Hollow Shank) Multi hitch ball mount fits 2 inches Class 3/4 Receivers Hitch Tube Tri ball size: 1-7/8 inch; 2 inch; 2-5/16 inch, Capacity: GTW-2000,6000,10000 lb hitch Finished in black power coating for rust and corrosion resistance Tri ball mount hollow shank 7-1/2 inches Length, pls notice your clearance of your car, truck Use 5/8 Inch Trailer Hitch Pin Kit or Lock