[WET/DRY POLISHING]Diamond polishing discs are designed for wet and dry polishing, 50-150 grit suit for wet or dry polish; 300-8000 grit must be used with water to ensure the best polishing results.[PREMIUM QUALITY]These granite/marble polishing kit are made of high-quality Material, aggressive and durable. The flexible design can adjust to different shapes of surface like corner or edge or curve surface.[EASY TO USE]Hook and Loop design is very convenient for you to install or remove the polish pads. Brass arbor 5/8 inch-11 thread backing pad will allow you to connect to variable speed polisher, grinder, household power drill, or other rotary tools. NEVER use with high-speed grinder. Please follow the recommended rpm, use below 5000RPM to avoid potential damage to the surface.[WIDE APPLICATIONS]Great for all solid surface materials such as granite, concrete, marble, quartz, stone, tiles, glass, etc. Perfect for countertops, tabletops, and splash-backs, and any other job for residential or commercial environments. For wet and dry polishing, for best results use polishing pads with water.The color of the flannel is random, does not accept designationMaterial:diamondcolour:MulticolorPackage Contents:12 * Diamond water grinding disc (50 , 100 , 150 , 300 , 500 , 800 , 1000 , 1500 , 2000 , 3000 , 5000 , 8000 )1 * Copper 5/8-11 ConnectorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.