This hydraulic cylinder jack is made of heavy duty metal construction,  durable and designed for long-lasting use. Paint spraying at the surface, prevent scratching and corrosion. This hydraulic cylinder is designed to provide reliable support during operation. Quick connecting head with dust cover, preventing the jack's inside from dust, features the firm connection with no leakage. Compact structure for easy operation. The hydraulic ram cylinder features a smooth surface with circle texture, provide reliable support during working. This hydraulic jack cylinder has the advantages of small size, suitable for narrow space position. A great helper for riggers, fabricators, welders, and automotive body and frame shops in electric power, chemical industry, steel, Bridges, machinery, and other industries.