Easy to use: The diamond abrasive on the France erased diamond grinding disc is sharp and durable, not easy to fall off. Thanks to diamond brazing, these grinding discs are more efficient and durable than electroplated diamond grinding discs. Features: Dry and wet use, convenient operation. The grinding disc can be used both dry and wet, but wet grinding can improve the life of the grinding disc and can be used with an angle grinder, convenient operation. Quality: The outer diameter of the erased diamond grinding disc is 7.3 cm, the hole diameter is 2 cm and it is 1.0 cm high. The grinding disc can be used with an angle grinder. Applications: The drilled diamond grinding disc is suitable for grinding quartz stone, marble, granite, ceramics, artificial stone, glass, especially for concrete exterior walls for building decoration, edge processing and coating of decorative marble and granite slabs.