EDiamondTools 5 in. Electroplated Diamond Grinding and Polishing Pads for Concrete, Stone or Masonry, Wet or Dry, #30/40 Grit TDP50030_THD - The Home Depot
Z-LION 7pcs/set 2 Inch Diamond Concrete Polishing Pads Floor Sanding Discs for Granite Marble Grinding