Now you can stabilize even the heaviest 5th. wheel trailer for front-to-back and side-to-side motion. Once in place, it's rock solid! The Kingpin Tripod is easy to use and sets up in less than a minute. It features an adjustable threaded hitch cup for quick and effortless stabilizing adjustment. Plus, the tripod's base footpads are a full 5" X 5 1/2" to combat against sinking and tilting. It even comes complete with a padlock to protect against theft when in place.