Diamond coated 1-5/8-Inch diameter diamond cutting wheel. This diamond cutting wheel is super thin for cutting glass, tile, stone, marble & granite. Suitable for cutting, grinding and sliting various hard material such as marble, granite, glass, ceramic and more Great tools for DIY, craft work, jewelry making or silver-smithing. These discs are super thin making them perfect for making slots and slits. These discs are coated on both sides as well as around the edge. Ideal for Cutting: Gem stones, metal, glass, ceramics, porcelain, tiles, carbide & rocks.