Various Strokes: Sanding blocks come in different roughnesses from coarse to superfine. They are available in grades 60, 120, 200 and 400, so you can choose the one that is best for your task. The finer the sand, the higher the polishing effect, the coarser the sand, the better the polishing effect. Quality Material: The diamond hand wipe is made of high quality diamond with strength and high elastic sponge, with high wear resistance and reusable. With sharpening, fast polishing, high brightness and other advantages. Widely Used: Our diamond polishing pads are perfect for granite, marble, concrete and glass. It will not leave any stains on the stone surface during processing and has good polishing efficiency. Practical and Useful: for home or industrial use. Lightweight and portable, easy to store and carry. Help you quickly solve the problems you often encounter in life, such as chipping, burrs and edges. Considerate design: 60# is used for general e-slats and floor tiles, 100# is