This Quick-N-EZ Case Tumbler provides an economical way for you to clean your brass. When this tumbler is used in conjunction with the Frankford Arsenal walnut and corn cob media, the Quick-N-EZ Tumbler quickly and conveniently removes fouling, lube, and oxidation. The Quick-N-EZ tumbler will hold up to 600 cases of 9mm or 350 cases of .223. Make reloading quick and easy, so that you can get back to what you love doing the most, shooting.