The height of this hydraulic jack is only 1.57 inches, which can lift 5T heavy objects. Its low-profile design excels in tight spaces, especially in a small space location, and has the functions of portability, flexibility, and large lifting force. Its quick-connect feature ensures easy and swift installation. The 10T and 20T porta power ram should be used with CP-180 hydraulic pump, while the 30T model is suitable for the CP-700 hydraulic pump. The surface of this hydraulic ram cylinder is painted with lacquer, preventing rust and ensuring durability. Additionally, it includes a dust cover to extend the cylinder's lifespan. Featuring an automatic retraction function, this hydraulic jack effortlessly returns to its initial height when the oil return valve is loosened, significantly enhancing operational convenience and efficiency. This low profile hydraulic ram jack is often used in power, chemical, steel, bridges, and other industries. Suitable for vertical, horizontal and inverted directions, but cannot be tilted use. (Note that it can't be used for lifting vehicles and all cylinders need to be connected to a solid flat lifting surface)