CURT 7-Inch Long Trailer Hitch Extension for 1-1/4-Inch Receiver, 350 lbs Model 45789CURT 7 Inch Long Trailer Hitch Extension for 1 1 4 Inch Receiver, 350 lbs Model 45789 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