Easy to use: The diamond abrasives of the French diamond grinding wheel are sharp and durable, and will not fall off easily. Thanks to the diamond brazing process, these grinding wheels are more efficient and durable than electroplated diamond grinding wheels. Usage: The drilled diamond grinding wheel is suitable for grinding quartz stone, marble, granite, ceramics, artificial stone and glass. It is especially suitable for wall treatment and exterior wall coating of concrete for building decoration, decorative marble and granite tiles. Features: Wet and dry use, easy to use. The grinding wheels can be used in two ways: dry and wet, but wet grinding wheels can increase the service life of the grinding wheel and can be used with angle grinders, which is convenient. Quality: The outer diameter of the cleaned diamond grinding wheel is 7.3cm, the hole diameter is 2cm, and the height is 1.0cm. The grinding wheels can be used with angle grinders. Note: The data are all measured manually,