Items: Electroplated hand polishing pads (coarse to fine sanding and polishing). Light weight and foam back, suitable for gripping. Quality: Aggressive and durable diamond abrasive tools, not easy to separate between the sanding surface and foam, they never leave stain on the stone surface during working and have good polishing efficiency. Application: flat sanding block is widely used for polishing glass, granite, concrete, marble, terrazzo, stone, travertine polishing and almost all other surfaces and edges.Usage:Helps you quickly solve the problems you often encounter in life such as chipping, burrs and the borders. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be some color difference, depending on the object physical received. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.