The product is 25 lbs of fine 24 grit walnut shell blasting/tumbling media, designed for cleaning and polishing rocks, fossils, and minerals. This media is specifically used for lapidary purposes to smooth and clean various collectible items. The walnut shell media is effective in removing dirt, debris, and impurities from the surfaces of these items, making it ideal for collectors and hobbyists who work with rocks and minerals.
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