(b)35 Pieces of 4" Diamond Polishing Pad for granite marble concrete. 1 Piece of E10 (10mm / 3/8"). And 1 Piece of 4" Velcro Backer/Pad Holder. -ideal speed of grinder/polisher: 3500-4500 RPM. VERY IMPORTANT REMIND: Velcro Backer's max capacity is 5000 RPM.
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