Adjustable Ball Mount, 3" To 7-1/2" Drop, 1-3/4" To 6-1/4" Rise, Capacity GVWR 5000 LB, Tongue Capacity 500 LB, Class III, Fits Ball Diameter 1" Length x 13-1/2", For Use With 2" x 2" Hitch Receiver, Features Designed To Make Towing More Convenient.