Demco's Hijacker 21K Sl Series hitch is a long/short box application. 21,000 lb. towing capacity. Double pivot head with polyurethane bumpers help eliminate side to side movement when uncoupled and cushion pivot action when coupled. Unique jaw adjustment bolt reduces noise and play between king pin and hitch. Four vertical height adjustments to help you level the truck and trailer to provide a safe and smooth towing experience. Multiple upgrades available to change with your towing needs. 5 year warranty, Made in America.