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Brass Polish - 15 oz (reusable)

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. When cleaning action slows use Reactivating Cream (Stk #501) to renew the strength of the media.