Beats the leading competitors in oil flow delivery by as much as two to one, doing more work in less time.Portable to any job site equipped with compressed air. Takes the place of manual pumps. Less operator fatigue, more productivity.Plenty of oil to power cylinders up to 55 ton capacity.Compact, light-weight design for easy handling and storage.Internal relief valve protects system components.Metal housing is extremely heavy duty, these pumps are durable and long lasting.Two-stage release mechanism for fast ram return while reducing hydraulic shock. Operates easily by hand or foot.All-metal air motor for reliability and easy maintenance.Operates at up to 10,000 psi (700 bar).Country of Origin: Taiwan