The MPA micro pump is a pneumatically operated miniature piston pump used to deliver lubricant in small, metered quantities. This pump has applications in lubricating cutting tools during various machining operations including drilling, reaming, thread forming and broaching. There are 3 products in the family; a single injector pump, a 3-way injector pump with individual actuation and a 3-way injector pump with group actuation. The units may be combined to form a manifold of 12 outlets maximum.