Fit Under Low Ground Clearance Vehicle This Liftmaster Low Profile Floor Jack is a 2.5 Ton floor jack that give you better access to low ground clearance vehicle. And give you the lifting range from 3.15 inches to 14.5 inches. The Jack can be fit under a clearance of 3.15 inches and maneuvered easily into position. This floor jack also features the heavy duty steel construction that provides the long lasting durability. Liftmaster's unique bypass device protects against over pumping. Its built-in safety valve provides overload protection.