Packing: 6" Electroplated Diamond Polishing Pads 60 Grit Diameter 160mm, inner hole 20mm, Dry and wet Sanding Sanding the material. Concrete, granite, marble, glass, stone, tile, stone, glass, ceramics, hard plastic, fiberglass, etc. Strong bonding, no flying pieces, repeated tearing and pasting, no damage, sharp and wear-resistant, no burning, no staining, and long service life When the polishing pad is operated, it must be installed in the angle grinder with the backer pad. When the polishing pad is operated, it must be installed in the angle grinder with the backer pad.