CURT - 45313Class 4 Ball Mount (2in. Shank; 12;000 lbs.; 4in. Drop; 9-3/8in. Long)CURT 45313 Class 4 Trailer Hitch Ball Mount, Fits 2-Inch Receiver, 12,000 lbs. GTW, 1-1/4-Inch Ball Hole, 4-Inch Drop, 3-Inch RiseWhen you demand more from your towing...