This heavy-duty steel floor jack from Performance Tool has a max capacity of 7,00lbs (3.5 Tons) with a lift range of 3-1/2" to 20-1/2". The W1645 vehicle lift has a high quantity steel frame, dual pistons for faster lift, and an overload protection bypass valve, all allowing you to use this jack with confidence. The swivel saddle with rubber cushion and swivel wheels in the back allows for easy maneuverability and positioning while in confined working areas. The extra-long frame on this jack stand is designed for maximum stability and safety while the low-profile design allows users to get under almost any vehicle to lift.