Users often need to repeatedly replace sandpaper when performing woodworking, metal or surfaces, and this type of sandpaper can effectively extend its service life and reduce the frequency of replacement and materials that complies with international environmental standard Many users are concerned about the generation of harmful during use, but this product have undergone strict environmental testing to ensures the health and of users during use The back velvets design supports quick installation and disassembly without the need for additional tool We will not waste time by replacing consumables, ensuring the continuity of the workflow 30pcs sheets of packaging meet long-term usage needs, with each sandpaper evenly distributed with particles to ensures the smoothness of the polishing surfaces Suitable for high standard industry such as furniture manufacturing and automotive repair Triangular 5-hole back velvets structure, suitable for various polishing machines Traditional sandpaper may encounters mismatch issues during installation, but this design ensures seamlessly suitable for most commercially available polishing machines, improving work efficiency, Manufacturer: YIGZYCN