Long handle with 36-1/2" reach helps in positioning jack under vehicles with low overhang.May be stored in a vertical position.Hand grip also works as a stand to store the jack in a vertical position.Compact design fits easily between tandem wheels.Parkerized coating on pump piston, extension screw and extension adapters and chrome coated ram offer protection against rust.Removable extension screw is used with the two 4" extension adapters (included) for added height when necessary.Self-retracting ram eliminates manual lowering of the jack.5 1/4" diameter high impact composite wheels make maneuverability easy.Fast efficient air pump reduces lifting time and has a built-in relief mechanism which prevents the jack from being used beyond its maximum capacity.Convenient push button air valve connected to an in-line filter prohibits contaminates from entering the air/hydraulic system.