Strongway Double-Locking Jack Stands - Pair, 12-Ton Capacity, 18 5/16in.-28in. Lift Range Body and handle constructed of high-grade steel and built to exacting standards for quality and durability Lead-free paint finish is applied after a thorough chemical wash to ensure a long-lasting finish and to help prevent rust Paint is oil, grease and dirt-resistant for easy cleanup Welded frame design adds extra durability Patented double-lock technology with safety pin design adds extra safety and security when working beneath a vehicle