HEAVY DUTY JACK- Made of heavy-duty metal construction, our hydraulic cylinder jack is durable and designed for long-lasting use. Paint spraying at the surface, prevent scratching and corrosion. LARGE LIFTING CAPACITY- Our ram hydraulic cylinder is designed to provide reliable support during operation. No stuck when lifting, large 20 T/44000 LBS tonnage, enough stroke(50 mm/2 inches). CONVENIENT USE- Quick connecting head with dust cover, preventing the jack's inside from dust, features the firm connection with no leakage. Compact structure for simple operation. SMOOTH SURFACE- The hydraulic ram cylinder features a smooth surface with circle texture, provide reliable support during working. WIDE USAGE- This hydraulic jack cylinder has the advantages of small size, suitable for narrow space position