Long lifespan when grinding various materials! The film backing ensures a high material removal rate and a great finish. Not all sanding discs are equally suitable for different materials and applications. The EXPERT O780 Foil is versatile, tear-resistant, and durable, allowing you to easily carry out various wet and dry sanding tasks. A single sanding disc that can remove old paint and rust from metal and wood while also giving your workpiece a great finish? With the EXPERT O780 Foil, you can effortlessly accomplish all these tasks. The disc combines Ceramic Technology – strong, self-sharpening ceramic grains – with our innovative film backing to ensure that you can sand a variety of materials over and over again. Durability without turbulence thanks to Bosch Ceramic Technology.