The surprise in this Jack-In-a-Box is that it stabilizes more than 10,000 lbs. QUICKLY! Two jacks per carton. Jack is used to stabilize slide outs. Removable U-top fits most frames. All parts are powder-coated or zinc-plated for corrosion resistance. Adjusts between 20"-46". Easy snap and lock adjustment. Supports 5,000 lb. per jack. Foldable handle for compact storage.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov