Ultra-Fab Products 35-946251 Class III/IV Ball Mount - 6000 lb. Capacity Solid, safe and secure towing ball mount is made from heavy duty powder coated steel Fits most hitch receivers Class III/IV, 1" Hole, 9.5" Length, 4.75" Rise, 6" Drop, 6,000 lb. Capacity Manufactures 3-Year Warranty