Hidden Hitch Class III Angle Cut Ball Mount 7 Inch Drop, 80137 Class IV Ball Mount; 10000 lbs. GTW; 1 1/4 in. Ball Hole; 9 in. Length; 6 in. Drop; Black; Hollow Shank Hidden Hitch Hidden Hitch Class IV Ball Mount (Black) - 80137 80137 Trailer Hitch Ball Mount