(a) 1 Piece of B5 (5mm / 3/16" Radius / Demi / Half Bullnose). 1 Piece of B10 (10mm / 3/8" Radius / Demi / Half Bullnose). VERY IMPORTANT REMIND: Aluminum Backer's max capacity is 5000RPM. (b) 12 Pieces of 7" / 180mm Higher Diamond Concentration Longer Life Polishing Pad for granite marble concrete.
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