Secure the king pin on your 5th-wheel trailer with Camcos RV King-Pin 5th-Wheel Stabilizer 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. Available: EAZ Lift Stabilizer. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: NEW KING PIN STBLZR. Type: Jacks.