CURT 60602 Double Lock Offset Gooseneck Ball, 4 Inch Offset, 20,000 lbs., 2 5 16 Inch Diameter pintle These replacement 5th wheel legs tow bar These replacement 5th wheel legs are designed to accept the CURT Q24 hitch head and install in your truck bed with the utmost security and simplicity The advantage of a hitch mounted cargo carrier is that it can be mounted on the rear or front end of a vehicle as long as the vehicle is properly equipped with the right receiver hitch The CURT Double Lock gooseneck offset ball easily slides into any Double Lock gooseneck hitch and sets the coupling point 4" back of the original trailer ball hole the potential dangers of high powered equipment