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Yea, if you get a good one, they can finish. I have an old one that has been burnished and it does finish nicely.

So are you seeing a lot of chipping, if so you have to figure out why.

Yea, too many laps on the Chrome Oxide, or too much pressure.

Take a Q Tip and lightly drag the cotton along the edge. Any micro-chips will snag.

If your 12K is a Super Stone, it will be all...