[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 [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 optimal polishing results. Please follow the recommended rpm, use below 5000RPM to avoid potential damage to the [PREMIUM QUALITY]These /marble/diamond polishing kit are made of high-quality diamond 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 [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 [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 Material: Rubber + Resin Color: As shown The product may have slight color difference/difference, but it not affect the use Package Contents: 13pcs Diamond Polishing Pads Only the above package content, other products are not included. Note: Light reflection 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.