A vibratory tumbler (AKA dry polisher) is used in machining to finish and debur metal workpieces. The items are placed into the tumbler with an abrasive powder and vibrated until the edges are smooth or the pieces attain the desired finish. Manual separating screens enable the draining of the abrasive powder at the end of the process. Items vary by voltage, cubic footage, weight capacity, dimensions and other considerations. For more on finishing, buffing and polishing, see our honing brushes, buffing wheels, and buffing polishing compounds.