Best Rock Polisher Reviews 2021 - Consumer Reports
First of all, it is well designed to have four grades of polishing abrasives, and it has barrel interior of 4 ¼” diameter x 4” deep (107 x 101 mm). In addition, it uses one quart rubber tumbling barrel that holds up to 3 pounds of rocks. Last but not least, this rock polisher run on 110 volt 60Hz. 8.
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