Maneuver your trailer into position BY HANDWe listened! An upgraded, upright version of the Trailer Valet XL with a 2 inch ball and 2-5/16 inch ball converter included and an automatic chain tensioner to reduce chain slack.The Trailer Valet MV Pro changes the game in terms of precisely positioning a heavy towed item into place. No more backing up and straightening out over and over to park your boat, camper, or trailer where you want it.Ditch your vehicle altogether and manually guide your equipment into place by hand. That's right. It's that easy, and you have full control over its movement. Maneuver your expensive possessions into tight spaces like never before all by yourself. You don't need a spotter or a skilled driver to help you. Anyone can do it easily, precisely, and safely all by themself. Really!.