The Evolution File Sander Belts for the Precision File Sander. Each pack contains 3 sanding belts, avaliable in the following options: 80 Grit belts are suitable for sanding: steel, solid wood, chipboard and paint removal. 100 Grit belts are suitable for sanding: plastics and acrylics 120 Grit belts are suitable for sanding: veneered wood.