[DRY & WET POLISHING]This 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 optimal polishing results. Please follow the recommended rpm, use below 5000RPM to avoid potential damage to the [WIDE APPLICATIONS]Great for all solid materials such as , 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 [UPGRDED & SET]11 pieces of 4-inch /marble polishing pads (Grit 50#, 100#, 150#, 200#, 300#, 400#, 800#, 1500#, 3000#, 6000#, 8000#), Comes with 1 PCS upgraded Nylon Buckle rubber backing pad (5/8 - 11 thread) and 1pc 8mm drill adapter, features greater flexibility, durability, absorption, more effective at removing scratches and achieving a high-gloss finish [PREMIUM QUALITY]These /marble/ polishing kit are made of high-quality powder and resin powder, aggressive and . Hook and loop backing pad is made with premium-grade rubber, semi-flexible backer. The flexible design can adjust to different shapes of like corner or edge or curve [EASY TO USE]Hook and Loop design is very convenient to install or remove the polish pads. Brass arbor 5/8 inch-11 thread backing pad 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, Weight: 0.89176984979 pounds, Manufacturer: Tuidzljd