Wide range of uses: 5 kinds of sandpaper, the back of which shows the corresponding particle index, which can be easily selected according to the material required for the grinding paper, suitable for metal polishing and grinding , steel, alloy, wood, plastic, stone, and other materials. Not easy to wear: The surface of the professional sandpaper discs is coated with alumina, which is not easy to wear, has a long service life, can be reused, and can maintain a good state even in many bad conditions Strong adhesion: Cover the mouse sanding sheet, which can be fixed on the self-adhesive pad, even if it is used for a long time, you don’t have to worry about falling off easily Not easy to block: There are perforations on the sanding sheets, which can vacuum better, long-term sand resistance, not too fast blocking, improve your work efficiency Easy to install: The installation of sanding discs is very simple and well maintained, it also allows you to change them frequently, when changing,