Rock solid, stabilizes even the heaviest trailer. Stabilizes front-to-back and side-to-side. Unique design brings the stabilizer to the King Pin. 5" x 5.5" footpads to combat sinking and tilting. Adjustable hitch cup for fine tune adjustment. Heavy duty steel construction. Padlock included. Adjustable from 37" to 50". Weighs just 23 lb.