Prop up even large vehicles like RV’s, travel trailers, large trucks, tractors / farm and ag equipment and more for maintenance or repair work with a pair of STEELMAN JS647512 Professional Heavy-Duty 12-Ton Capacity Jack Stands. Made from sturdy welded steel for superior strength and designed to with a wide, contoured saddle, these rugged stands can be used on all but the heaviest farm and construction vehicles as each are rated to support up to 12-tons (24,000-pounds) for a combined support capacity of 24-tons (48,000-pounds). Their simple to operate ratcheting mechanisms slide out and into place easily yet will not release when under load, keeping you safe while you work. Once weight is removed, just lift up the release lever and they slide back to their minimum height for easier storage. Ideal for use when higher support is needed as each has an adjustability range of 19.75-inches to 30.25-inches, making them perfect for use in any home shop, professional garage or a mobile repair rig.