BUYTUS 1 Piece Polishing Pad Flexible Wet Use Premium Diamond Granit Tool Marble Concrete Grinding(3000#). Material:Resin+Diamond ; Size:4inch 100mm ; Grits : 50# , 150# , 300# , 500# , 1000# , 2000# , 3000# ; Packaging includes : 1pc . The polished surface adopts a special arrangement and reinforced design,High wear resistance and long service life . Suitable for polishing marble/granite/quartz/artificial stone and other stone materials, chamfering lines, processing curved boards and irregular stone materials . Seam design, long service life. Sharp, high wear resistance, fast heat dissipation, no fading or staining . This product is made of high-quality and tightly bonded back velvet, which is not easily damaged by repeated tearing and pasting . Farbe:One Color