Undermount Sink Cut Polish grinding Granite 1 1/2" Full Bullnose Router concrete

(e) 12 Pieces of 4" Diamond Polishing Pad for granite marble concrete drum wheel makes grinding of the sink hole smoother. (d) 1 Piece of 4" Polishing Pad Rubber Backer (5/8"-11 Thread arbor. Rubber Backer's max capacity is 5000RPM. ).

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