Rubrite fleX ible abrasive cleaning stones are eX cellent for removing surface imperfections for any metal. Mildly abrasive, they do only enough cutting to produce a high polish and fine finish. They are slow-wearing, non-loading, and will not gum or dust.Recommended in commutator maintenance for periodic cleanup of surface, or for polishing the commutator after grinding with a Diamond D Commstone.
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