MARTINS INDUSTRIES' 2-Ton floor jack design allows to roll it under as little as 2 7/8" of clearance. The protective sleeve along the lifting arm, the rubber handle and the rubber-padded saddle will prevent damaging the vehicle when pumping. When your work is done, twist the handle counterclockwise for a smooth lowering of the vehicle.SAFETY WARNING: Never get under a vehicle that is not supported by a certified and proper jack stands. Validate lifting capacity before use. Correct and proper use of floor jacks and jacks stands can prevent injury and/or death.