Hand Oiler lubricator for Bridgeport Milling Machine Manual Pump. 1 Duel-out manual pump oiler (6mm). Y-8 is a kind of manual pump with plunger structure, the pressure of this pump is high. Y-8 (Duel output 6m) indicates that the copper hoe with an oil outlet on each side connected to the 6mm tubing (this item is two output 6mm).
eBay