This air hydraulic bottle jack is designed for heavy-duty lifting on box trucks, RVs, pickups, SUVs, and other equipment. It offers both pneumatic and manual operation for flexible use in the shop or in the field. With a 20-ton lifting capacity and a 10.2" to 19.5" lifting range, it is suited for tire changes, inspections, and repair work. Durable cast iron and carbon steel construction help it stand up to demanding environments. Built-in overload protection and a leak-resistant design support reliable performance.