CURT Dual Receiver Trailer Hitch Ball Mount, 2-Inch, 3,500 lbs Model 45792CURT Dual Receiver Trailer Hitch Ball Mount, 2 Inch, 3,500 lbs Model 45792 No matter what you are towing, CURT towing equipment is intended to get you from point A to point B and to have peace of mind while doing so. Our hitch extenders are no exception. When you have spacing issues with your hitch mounted accessories such as a bike rack or cargo carrier, or you need to give your ball mount and trailer coupler a little extra room, a CURT hitch