This pivoting screw-type tongue trailer jack is easily rotated to a vertical use position. The trailer jack can be rotated horizontally to a towing position and locks in place. Trailer jack fits square tongues up to 3" x 5". Can be adapted for round tongue mounting. 1000-lb. weight capacity. 10" travel with a 25" maximum lift. Zinc TUFFPLATE finish. Tough polypropylene wheel. Made in the USA.