Premium MaterialThe wet and dry sandpaper is made of black silicon carbide and latex paper, wear-resistant, anti-static, very flexible and not easy to break when polishing, a good choice for the grinding and polishing. Easy to UseThis wet dry grinding wheel can be used for hand polishing. Buffer pads can reduce vibration during use. Also can extend the life of the sanding pad. Velcro DesignThe back of the 125mm sandpaper has a Velcro design that can be stuck on an orbital sander. The sanding pads are easy to install and remove, allowing you to sand quickly and efficiently. Wide ApplicationsThese grinding wheels are compatible with most rotary tools, such as grinder, grinder air, electric drill, etc. Generally used for polishing metal, wood, plastic, aluminum, artificial stone, wooden furniture, mold processing, car polishing, etc. Package includes Package includes 30 pieces of 125mm sanding paper, 5 pieces of each sanding disc, grit: 1000, 1500, 2000, 3000, 4000, 5000. Different grades of sanding pads from coarse sanding paper to fine sanding paper to meet your your different polishing needs.