Treated crushed Black Walnut Shell. Thumler's 500 series media attacks only the oxidation without scratching, bringing cartridge cases, fish lures, coins and other metal objects to a gleaming finish without loss of metal. Brass polishing media is reusable.
 | A rotary rock tumbler will take rough stones and make them rounded and polished gems. A vibratory type rock tumbler will take rough stones and polish them only. Vibratory type rock tumblers do not round or shape the stone. | | WARNING: CHOKING HAZARD! Small parts. Not intended for children under 3 years of age. | | Product image and description is provided by the manufacturer, and is as accurate as possible. Some details of the product may be subject to change without notice (graphics, decoration, wheel color, etc.). eHobbies is not responsible for these changes, as it does not alter the function or value of the product. |
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