Features and Benefits: RapidRise hydraulic power unit with dual pump pistons that raise the lift arm to maximum height in 5 pump stokes Thick frame side plates and reinforced lift arm for added strength, chassis torsion control and durability Angular positioned pump pistons provide maximum effective pump stroke when jack is completely under the vehicle Wiper seals protect hydraulic system from contaminants Overload and bypass safety valves prevent the jack from being used beyond its rated capacity and ram over extension Ball bearing mounted rear swivel caster wheels and wide track front wheels for easy maneuverability. Side mounted handles for carrying and easy positioning. Rubber saddle protector insert prevents scratching and gouging of under car components. Two piece handle for storage; quick lock feature for engagement and disengagement of handle halves. Low height: 3.5"; high height: 19.25"; chassis length: 26.5" shipping weight: 58 lbs.