General description Powerful and reliable, the Sealey YAJ20SLE Low Profile Air Operated Hydraulic Bottle Jack is ideal for workshop or roadside use. It takes the effort out of lifting heavy plant, tractors, and commercial vehicles. Technical specifications Model No.: YAJ20SLE Min. Height: 178 mm Max. Height: 322 mm Air Consumption: 9.5 cfm Other information Dead man’s control and sectional pump handle for manual operation when air is unavailable Automatic dual spring controlled lowering system Overload safety valve fitted to prevent damage to the unit