Minimizes front-to-back and side-to-side motion;5 by 5.5 footpads to combat sinking and tilting;Adjustable hitch cup for fine tuning;Heavy duty steel construction;Padlock included;Now you can stabilize even the heaviest fifth wheel trailer for front-to-back and side-to-side motion; Once in place, it's rock solid; The Economy 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;Weighs just 23 pounds, adjustable form 35 to 55 and supports up to 5,000 pounds;Manufactures Lifetime Warranty