Olympian RV 5th Wheel Stabilizer adds great stability to the front of your 5th wheel. It is for use with 5th wheels whose coaches have a king pin height of 38-1/2" to 53". It features a tripod construction for easy set-up and concave pads for multiple heights. Major height adjustments are made by simply moving the adjustable foot pads inward or outward; minor adjustments are made at the screw level with the provided stabilizing adjusting lever. The 5th wheel stabilizer comes fully assembled and has a steel tube construction with . It folds down for easy storage and has a certified 5000 . capacity.