STADEA Diamond Hand Polishing Pad Electroplated Grit 150 for Granite Concrete Terazzo Polishing STADEA SUPER A (SPR A) 1 Piece Electroplated Grit 150 Professional Grade Diamond Hand Polishing Pads Wet/Dry. 1.2 MM thick polishing pads with Soft foam holder Aggressive and durable diamond tool, made with high quality diamond powder Works great for Granite, Concrete, Marble, Terrazzo, Travertine, artificial stone, Tile, Glass, and natual stone polishing etc Very sharp and aggressive Electroplated hand polishing pads