4" STADEA Standard S Diamond Polishing Pads Set for Wet Sanding Polishing Granite / Granite Tile / Granite countertop polishing Professional Grade 4" Wet Granite Diamond Polishing Pads Set used for Granite / Granite Tile Polishing Sanding. 1 Piece each for grit 50, 100, 200, 400, 800, 1500, 3000 3 MM high and flexible velcro backed Works great for Granite, Granite Tile, Granite Floor, Granite Countertop, Granite coiuntertop edge polishing or Sanding Optimal RPM 2200 Max RPM 4000