An adjustable ball mount that spans 16″ vertical height in 1″ increments, allows the tow bar to be connected at a safe level height. The shank can be turned up or down for low or high ground clearance applications. Maximum rise 7″; Maximum drop 9″. Only for towing a car behind a motor home. Not for use with any type of trailer. receivers. Ball not included. 5,000 lb. GVWR., 500 lb. tongue wt.