I have for sale is a SuperGlide FULLY AUTOMATIC adjusting 5th wheel hitch for short box trucks. The SuperGlide moves automatically during turns and eliminates stopping and getting out of the truck. No need to remove pins, release levers or try and get the trailer to drag the hitch along the rails when you want to make a tight turn. Bought new in Oct 2017 and used only one time to the lake and a second time when I traded my 5th wheel in. I also have a pair of NEVER used standered rails.