Features: The sturdy and durable diamond grinding tool is not easy to separate between the polished surface and the foam, and will not leave dye on the stone surface during the processing, and the polishing efficiency is high. It is suitable for granite, marble, concrete, glass, and has a good polishing effect. Soft and light, both wet and dry polishing can be used, and the wet and slippery effect is better. Specifications: Material: Diamond Size: 800 Grit Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.05 inch differences due to manual measurement. Thank you for your kindly understanding. Package included: 1PCS Grinding Block