Cheap mini belt sander

Check this thing out. I saw an adapter like this in an ad online so I went to look for one and found this that has its own motor unit attached. Cheap, $40 at the junk store harbor freight. I cut a piece of foam and clamped it down for knife blades but this could be handy for jewelry. I plugged it into my foot pedal and it works as a speed control. SD

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