3 Ton Capacity Ratcheting Jack Stands. Sturdy welded steel construction for superior safety and strength. Dual purpose handle serves as carry handle, saddle column release. Four legged steel base for added strength. One piece multi-position ductile ratchet bar provides super strength and durability, and quick adjustment mechanism that securely locks in to desired location. Lifting range: 11 5/16" to 16 3/4".