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Just finished making this rock tumbler for tumbling knife components. I used a 55 gallon drum to hold and tumble a smaller … | Rock tumbler, 55 gallon drum, Tumbler
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Replacement Rock Tumbler Barrel for National Geographic Professional Series - 2l for sale online | eBay
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Amazon.com: NATIONAL GEOGRAPHIC Rock Tumbler Kit – Hobby Edition Includes Rough Gemstones, and 4 Polishing Grits, Great STEM Science Kit for Geology Enthusiasts, Rock Polisher for Kids and Adults : Toys & Games
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