Material: alumina abrasiveSize: 150mm/17 holesType: round sandpaperFeatures: anti-static, anti-slip, oil-proof, moisture-proof, heat-resistant, wear-resistant, non-shedding1. Material: The sandpaper is made of aluminum oxide abrasive, after special heat treatment, it has excellent polishing, grinding and wear resistance, durable and antistatic, good choice for sanding and polishing.2. The main feature of the grinding disc is that it will not squeeze dust onto the sandpaper during the grinding process, because the grinding disc has very small dust holes, and the dust will vibrate out along the small holes when grinding, 17 holes are designed for efficient dust removal .3. Easy to install and use: Hook and loop , easy and quick to stick, durable, will not fall off when installed and used, easy to install and remove.4. Mainly used for grinding and polishing of wood, plastic, stone, glass and other materials, rust removal, paint removal, deburring and solder spot grinding of various complex profiles of metal and non-metal materials.5. Service: If you have any dissatisfaction or questions about our products, you can email us, we will reply you within 24 hours due to the time difference.Package Included: 10/30/50 x Round Sandpapernotes:1. Please confirm your model before purchasing.2. Due to different monitors and lighting effects, the actual color may be slightly different from the picture.