General description The diamond grinding disc is designed for effective grinding of hard materials such as ceramics, stone, concrete, and more. It features a powerful abrasive grain, long lifespan, and low wear, ensuring excellent grinding performance. Technical specifications Material: Diamond Finish: Sintered Color: Red Outer diameter: 100mm / 3.94 inches Inner diameter: 22.23mm Thickness: 4.5mm / 0.18 inches Weight: Approximately 194g Usage Ideal for grinding fragile materials such as ceramics, stone, and concrete. Can be used with a grinder and cutting tools. Other information To ensure safety, avoid dust and wear safety glasses, earplugs, and a good dust mask during use. Note: Due to monitor differences and lighting effects, the actual color of the item may vary. Please allow a measurement error of 1-3mm due to manual measurement.