CURT Dual Length Trailer Hitch Ball Mount, 7-1/2-Inch or 10-1/2-Inch Length, Fits 2-Inch Receiver, 7,500 lbs, 1-Inch Hole, 2-In Drop, 3/4-Inch Rise Model 45220CURT Dual Length Trailer Hitch Ball Mount, 7 1 2 Inch or 10 1 2 Inch Length, Fits 2 Inch Receiver, 7,500 lbs, 1 Inch Hole, 2 In Drop, 3 4 Inch Rise Model 45220 For multiple types of towing, we here at CURT want to supply you with products that make things easier and more efficient. After all, towing that boat, camper or recreational vehicle trailer is all about doing more of what you love. CURT dual length ball mounts offer a fast way to adjust your