"This pair of 12 Ton Torin Ratchet Action Jack Stands helps to increase productivity. The vehicle support stands completely support a vehicle. A locking pawl and tooth design provide extra protection. Sold in pairs. Factory tested and certified to meet ASME PASE Safety Standards for Portable Automotive Service Equipment. Base L x W in. 10 1/4 x 12, Double Locking Yes, Lift Capacity tons 12, Max. Lift Height in. 28, Min. Lift Height in. 18 1/2. 2 heavy-duty steel jack stands at one low price 18 1/2in. to 28in. support range"