The OTC Aluminum Jack Stand and Packs are constructed with durable, lightweight aircraft-grade aluminum to provide durability and longer service life. The jacks and stands meet updated ASME PALD safety standards for lifting equipment. The racing service jacks are designed to lift vehicles faster and higher, and come in a 55-lb and 51-lb jack. The aluminum jacks stands offer an adjustable, broad range of holding heights with two loading capacities including a three-ton and two-ton options.