National-Spencer, Inc. offers the new Zee Line Pump for use with 5 through 6 1/2 gallon open head pails. The Model 321 Lube Pump offers variable flow rates from 1 ounce per stroke to 2.3 ounces per stroke depending on linkage pin placement. the pump can be used with hydraulic oil, gear oil, and ATF, and was tested using 30 wt motor oil.