Various Grits: The grinding blocks are available in a range of grits from coarse to super fine. They are grades 60, 120, 200, and 400, so you can choose the one that suits your task. The finer the sand, the better the polishing effect; the coarser the sand, the better the polishing effect. Quality Material: The diamond hand pad is made of high-strength diamond and high-elastic sponge, with high wear resistance and reusability. With sharpening, fast polishing, high brightness, and other advantages. Widely Used: Our diamond polishing pads work perfectly for granite, marble, concrete, glass. It never leaves color on the stone surface during work and has good polishing efficiency. Practical and Useful: For home or industrial use. Lightweight and portable, easy to store and carry. Helps you quickly solve problems you often encounter in life, such as chips, burrs, and edges. Thoughtful Design: 60# is used for general E-ribs and floor tiles, 100# is used for ordinary tiles, 200# is used for glass, and 400# is used for fine polishing. The side groove design is more practical, lightweight, and easy to use.