The heavy-duty jack stands are used to support your vehicle after lifting with a jack. Constructed of high-grade forged steel with a welded frame design for durability, it handles a wide range of vehicles and equipment, including agricultural and industrial applications. Adjustable height ranges from 11" to 17.3" with a 10 ton (20,000 lb) load capacity. It features a large 5.1" L x 3.1" W saddle surface area for better contact with the load being supported. A wide foot base measures 12.2" L x 12.2" W, providing added strength and stable support. Includes a limited 1 year manufacturer warranty.