Rubrite, 2 in X 1-1/2 in X 2 in With Tramway Handle, Martindale Electric, Mfr#: RUBBX6235

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. 45 Degrees handle mounted to give access to awkwardly positioned commutator.