[UPGRADED & SET] 11 pieces of 4-inch marble polishing pads (Grit 50#, 100#, 150#, 200#, 300#, 400#, 800#, 1500#, 3000#, 6000#, 8000#), includes 1 piece upgraded nylon buckle rubber backing pad (5/8 - 11 thread) and 1 piece 8mm drill adapter, offering greater flexibility, durability, shock absorption, and improved scratch removal for a high-gloss finish. [DRY & WET POLISHING] This diamond polishing kit is suitable for both wet and dry use. Grits 50–150 can be used dry or wet; grits 300–8000 should be used with water for optimal results. Always follow recommended RPM guidelines and operate below 5000 RPM to prevent potential damage. [PREMIUM QUALITY] These marble diamond polishing pads are made from high-quality diamond powder and resin, providing aggressive and consistent performance. The hook and loop backing pad is constructed with premium-grade rubber and features a semi-flexible design that conforms to curved, edged, or contoured surfaces. [WIDE APPLICATIONS] Ideal for use on solid surfaces including concrete, marble, quartz, stone, tiles, and glass. Perfect for countertops, tabletops, backsplashes, and other residential or commercial polishing projects. For best results, use with water during polishing. [EASY TO USE] Hook and loop design allows for quick and secure attachment and removal of polishing pads. The 5/8-inch-11 thread brass arbor backing pad is compatible with variable speed polishers, grinders, power drills, and other rotary tools. Do not use with high-speed grinders. Always operate below 5000 RPM to avoid damage. Material: Rubber + Resin Color: As shown Package Contents: 13 pcs Diamond Polishing Pads Note: The package includes only the items listed above. Light reflection and display differences may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.