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Amazon.com: MJR Tumblers Single Barrel Rock Tumbler - Rock Polisher Machine, Tumbling Equipment for Stone, Glass, and Metal Collection, Polishing Tool for Adults & Kids, 20 lb : Toys & Games
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Amazon.com: MJR Tumblers 1 Gallon Rock Tumbler Barrel - Replacement Barrel for Tumbling, Rock Polisher Tool, 15 lb : Toys & Games
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Rosler #R-125, 3 cu.ft. vibratory tumbling barrel with good controls, like new, 1993 for Sale | Surplus Record
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