Products are widely used in CNC machinery, milling machine, lathe machining center, production line and machine tools, forging textile, plastics, rubber, mining, metallurgy, construction, printing, chemical, pharmaceutical, casting, food and other industries machinery and equipment Lubrication System. How it works: When pulling the handle by hand, push the plunger to drain the oil that be stored in the cylinder. When the handle is released, the plunger sucks oil under the action of spring force. Scope: The pump can be combined with a throttling distributor to form a lubrication system. It is recommended to use oil viscosity N20-N1000. Products use high-quality seals, not easy to leak. Handle bit with special materials, easy to break. Spit: 8ml / min Maximum discharge pressure: 15Kgf / cm2 Fuel tank capacity: 500cc Outlet diameter: diameter φ6 Number of ports: one on both sides Colour:Silver Material:Aluminum alloy Package Contents: 1 * Lubricating Oil Pump Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.