1 1/4" grinding Drum core bit granite marble Buffer glass porcelain hole enlarge

(b) 1 Piece of 4" Polishing Pad Velcro Holder / Backer (its arbor is 5/8"-11 Female Thread. IMPORTANT REMIND: Pad Holder's max capacity is 5000 RPM. Pad Holder's max capacity is 5000 RPM. (c) 8 Pieces of 4" Diamond wet or dry use Polishing Pad for travertine stone concrete granite concrete marble (ideal speed is between 2800-4500 RPM) ).

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