The Powerzone Heavy Duty Steel and Aluminum Garage Jack lifts from 4 inch to 18-1/4 inch and supports 3 tons. The jack has a lightweight aluminum frame and heavy duty steel lift arm for strength and durability. The quick lifting hydraulic system saves time and is equipped with safety valve to prevent overloading beyond rated capacity. The jack is equipped with a rubber padded saddle and a foam covered handle to protect vehicle frame. Real wheels swivel for easy movement and positioning over rough surfaces.