Features:Made of high quality metal material, wear-resistant, corrosion-resistant. Widely used in punching machine, lathe machine, cutting machine, milling machine, etc.Pull the handle with your hand, the plunger is pushed and the oil in the cylinder is excluded. Release it, the plunger absorb the oil under the spring force.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. Specification:Name: Manual Pump HandPump material: MetalPump shaft position: side verticalImpeller suction method: single suctionDrive mode: manualTransmission medium: oil Flow: 8m3/hDischarge capacity: 8ml/min Max.discharge pressure: 15kgf/cmCapacity: 500CCDischarge port: two port(left & right)Weight: 949gPackage Included:1 x Manual Lubricating Pump.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.