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 30 T/66000 LBS tonnage, enough stroke(100 mm/4 inches). Convenient Use: Quick connecting head with dust cover, avoid the jack’s inside from dust, features the firm connection with no leakage. A portable handle increases flexibility and convenience. 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 advantage of small size, suitable for narrow space. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and other industries.