HL-180 Small Manual Lubrication pump (Oil Pump) Bridgeport LubricatorThis pump belongs to pistion pump. Pressing the handle helps to absorb oil into the piston cavity.When handle recoversits position, left oil will be ejected. This pump together with resistant distributor form centralized lubrication system and itis suitable for lubrication quipments with 5-meter-long,3-mete-wide oil pipe consisting of around 20 lubrication points.