A. [Diamond Polishing Pads]: The granite polishing kit contains 10 pieces of 4-inch diamond grinding pads, 2 pieces of wool felt polishing pads, 1 piece of 3/8-inch - 11 thread Velcro backing pad, and 1 piece of 8mm drill adapter. The marble polishing kit can enhance polishing efficiency. The wool felt polishing pads are made of natural wool and can polish the surface without causing damage. B. [Granite Polishing Pads]: It comes with 10 pieces (with grit sizes of 30, 50, 100, 200, 400, 800, 1500, 3000, 6000, 8000 respectively). The concrete polishing pads can be used for wet or dry polishing. Pads with grit sizes from 30 to 100 are suitable for wet or dry polishing; pads with grit sizes from 200 to 8000 are recommended to be used with water. These include diamond pads for marble, diamond grit polishing pads, marble polishing pads, granite solid surface grinding pads, granite pads, and diamond-impregnated polishing pads. C. [Tile Polishing Pads for Grinders]: The concrete grinding pads are made of resin powder and diamond powder. The diamond polishing kit is suitable for granite polishing pads, 50-grit marble polishing kits, granite polishing sets, diamond floor polishing pads, stone polishing pads, granite polishing stones, and diamond wet polishing pads. D. [Stone Polishing Kit]: The included Velcro backing pad makes it convenient to install or remove the polishing pads. The backing pad allows connection to household electric drills, grinders, polishers, etc. It is not recommended to use it with high-speed grinders. Please check the tools you use. The appropriate rotation speed is around 2200 revolutions per minute, and the maximum rotation speed is 4500 revolutions per minute to avoid potential surface damage. This includes granite polishing kits for grinders, diamond quartz polishing pads, 4-inch diamond grinding pads, and diamond pads for concrete. E. [Wide Application]: Diamond polishing pads are suitable for solid surface materials such as concrete, tiles, stones, granite, marble, quartz, etc. They are suitable for tabletops, countertops, residential or commercial tasks. Using the polishing pads with water may provide better results. These include stone polishing pads, concrete wet polishing pads, granite polishing pads, wet and dry diamond polishing pads, marble floor polishing pads, diamond concrete polishing pads, concrete polishing pads, and Velcro diamond polishing pads. F. Color: Mixed colors (random colors, no specific color requests are considered). G. Material: Diamond H. Package Contents: - 10 pieces of 4-inch diamond grinding pads - 2 pieces of wool felt polishing pads - 1 piece of 3/8-inch - 11 thread Velcro backing pad - 1 piece of drill adapter I. Only the above package contents are included, and other products are not part of the package. J. Note: Light reflection and different displays may cause the color of the items in the picture to differ slightly from the actual product. A measurement error of ±1 - 3 cm is acceptable.