General description This 20T Adjustable Pneumatic Air Hydraulic Bottle Jack is designed for heavy lifting tasks, making it ideal for automotive maintenance and industrial applications. With a robust lifting capacity of 20 tons (44,092 lbs), this jack is constructed from durable metal materials, ensuring strong performance and longevity. It features an automatic return spring for convenience and can be operated both manually and with an air pump, providing versatility in usage. Technical specifications Lifting Capacity: 20T / 44,092 lbs Minimum Height: 26 cm / 10.2 inch Lifting Height: 17 cm / 6.7 inch Max Height: 51 cm / 20.08 inch Adjustment Height: 8 cm / 3.2 inch Length: 22 cm / 8.7 inch Width: 12.5 cm / 4.9 inch Lift Cover Diameter: 4.5 cm / 1.77 inch Length of Air Pipe: 1.17 m / 3.84 ft Air Nozzle Length: 14 cm / 5.51 inch Gross Weight: 15 kg / 33 lbs Pressure: 0.7 Mpa Product Type: Hydraulic Bottle Jack Top Cover Material: Cast Iron Housing Material: Steel Base Material: Cast