Features: Working principle: Pump the grease to grease separators with reciprocating work of the handle,and then distribute lubricating oil to each lubrication point. A small piston structure manual pump, great portability and strong flexibility. Hand operated method, 6mm oil outlet diameter. Constructed of aluminium alloy, outstanding durability and high strength. Can be combined with a throttling distributor to form a lubrication system. Extensively used in a variety of mechanical equipments. Color: blue + silver Model: -05 Material: Aluminium alloy Spit: 100KGF/CM Capacity: 500CC Outlet Diameter: M10*1(6mm) Spit Port: Default right port(expandable) Package Contents:1 * Manual Lubricating Pump Only the above package content, other products are not included. Note: Light reflection 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.