Information: This hitch is the sole one you may at any time need with a number of ball sizes that are available during the tri-ball or dual. These bad-boys can drop right down to 9″ or rise up to 9.five″ depending on the mount you receive. B&W tow and http://what-size-hitch-ball-do-i05059.livebloggs.com/10497341/not-known-factual-statements-about-what-size-hitch-ball-do-i-need-for-a-travel-trailer