lightest & easiest to hitch in the industry! to the trailer's king pin and mounts an upside-down ball into a coupler over any part of the funnel at the top of the coupler tube to guide the pullrite smarue works with industry standard design allows 5th wheel king pin to be positioned 3" forward or 3" lets you tow sth wheel or gooseneck trailer without swapping hitches made in usa best seller! auto-adjusting hitch lets pickups with beds shorter than 6'8" tow a 5th wheel automatically moves trailer up to 14" away from cab while turning eliminates stopping and getting out of the truck to release a lever separately capture plate rotary latch gives a tighter connection between truck and trailer for isrs pullrite works with industry standard hitch & tow catalog & internet only