
USB Rotary Polishing Machine
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Compared across 2 stores. Prices are checked against each store and labelled with when.

Compared across 2 stores. Prices are checked against each store and labelled with when.
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A small USB-powered rotary tumbler for polishing wooden beads and walnuts. A clear acrylic drum sits on a black plastic base, and a built-in regulator lets you slow or speed the rotation to suit the material. It weighs 257 g and runs on a 1 m USB cord, so it fits on a desk or nightstand. It is a niche craft tool, not a rock tumbler: it turns beads against each other rather than grinding stones with grit. Buyers who want hands-free bead polishing in a small space are the audience; anyone tumbling hard rock should look at a proper barrel tumbler.
In stockSold by caichaoReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $11.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
This USB-powered rotary polishing machine is a small tumbler for polishing wooden beads and walnuts. It turns them automatically, so you don't have to rub them by hand. This also avoids the uneven color that hand sweat can cause during manual polishing.
A clear acrylic cylinder sits on a solid black plastic base, so you can watch the items as they polish. Low-resistance rollers keep it quiet to run. An integrated regulator adjusts the rotation speed to suit different wooden materials.
The machine plugs into a standard USB port using a 1 m power cord. Two adhesive foam strips attach under the base to reduce vibration and keep it from sliding while it runs.