Secure the king pin on your 5th-wheel trailer with this coach-stabilizing jack. Three independently adjustable foot pads make major height adjustments simple on any terrain. Turn the included stabilizer-adjusting lever for fine-tuning height at the screw level. Fits coaches with a king-pin height of 38-1/2" to 50". Steel-tube construction with a chrome security chain. Certified 5,000-lb. capacity.