Feature●【UPGRDED & GREAT VALUE SET】11 pieces of 4-inch granite/marble polishing pads (Grit 50#, 100#, 150#, 200#, 300#, 400#, 800#, 1500#, 3000#, 6000#, 8000#), Comes with 1 PCS upgraded velcro rubber backing pad (5/8 - 11 thread) and 1pc 8mm drill adapter, features greater flexibility, durability, absorption, will more effective at removing scratches and achieving a high-gloss finish●【DRY & WET POLISHING】This diamond polishing kit is designed for wet and dry polishing. 50-150 grit can be used either dry or wet, but 300-8000 grit must be used with water to ensure optimal polishing results. Please follow the recommended rpm, use below 5000RPM to avoid potential damage to the surface●【PREMIUM QUALITY】These granite/marble/diamond polishing kit are made of high-quality diamond powder and resin powder, aggressive and durable. Hook and loop backing pad is made with premium-grade rubber, semi-flexible backer. The flexible design can adjust to different shapes of surface like corner or edge or curve surface●【WIDE APPLICATIONS】Great for all solid surface materials such as granite, concrete, marble, quartz, stone, tiles, glass, etc. Ideal 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●【EASY TO USE】Hook and Loop design is very convenient for you to install or remove the polish pads. Brass arbor 5/8-11 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 surfaceDescription