The Hornady Magnum Digital Vibratory Case Tumbler will clean and polish large quantities of brass to a brilliant finish before loading, eliminating abrasive foreign particles that can scratch the inside of your dies. Brass cases cleaned with vibratory action enhances the smooth function of reloading presses and dies and makes finished reloads look like new.Specifications and Features: Manufacturer Number: 050240 Clean and polish large quantities of brass quickly and efficiently. Capacity: 600 .38 Special cases, or 250 .30-06 cases, (or equivalent) Tumble for up to eight hours with digital timer. Vibratory action cleans brass to brilliant shine. Tumbling makes dies and other equipment operate more smoothly.