Great for Manual Lifting Great for Manual Lifting - Includes (2) additional detachable handles for manual lifting when in absence of an air compressor Versatile Uses Versatile Uses - Safely and reliably lifts most vehicles with a minimum lift of 10-1/4 inches high to a maximum of 20 inches high Safe and Reliable Lifting Safe and Reliable Lifting - Heavy duty steel construction allows jack to be used multiple times without wear and tear and can handle heavy duty loads with ease. Easy to Transport Easy to Transport - Small size allows jack to be transported to any location. Side handles allows for easy gripping & carrying Easy to Connect Easy to Connect - Comes equipped with both hose & connector to quickly connect to air compressor for lifting operations with ease. Specifications: Operation: Air/HydraulicLift Capacity (Tons): 20Adjust Height: 3-1/8"Minimum Height: 10-1/4"Maximum Height: 20"Lifting Height: 6-5/8"Air Rubber Hose Length: 48"Air Valve And Inlet: 1/4" X 18 NPTWorking Pressure: 120-200 PSI / Max Pressure: 220 PSIOverall Dimension: 11-1/4"(L) x 7-1/4"(W) x 11-1/2"(H)