For use on test tubes, centrifuge tubes, small jars, cylinders, etc. Of white nylon bristle with radial tufted end and twisted wire handle with loop Package contains 6 brushes

For volumetric flasks, with bristle part 1 1/2” diameter and plastic handle Flexibility of curved spring portion to which bristles are attached enables brush to reach all parts of flask

Of white nylon bristle with galvanized iron wire handle Convenient for cleaning the necks of dairy test bottles Bristled portion 3” x 1/2” diameter; length 12”