Up to 4 times better dust extraction than standard sandpaper. Dust is the biggest drawback when sanding. However, the Particle Control System has largely solved this problem. Bosch Particle Control ensures that all dust particles are sucked into your vacuum or filter. The Bosch Expert M480 mesh sanding sheet is at the forefront of this system: particles move straight through the open mesh instead of clogging the surface or polluting the air. This results in a high level of efficiency and a very long lifespan. Many experts find it hard to believe that we have eliminated the biggest problem in sanding. It wasn't easy, but we did it. Sanding without dust formation with the Bosch Expert M480 sanding mesh. Easy attachment with Velcro. Sheet dimensions, width mm: 93, sheet dimensions, length mm: 186, sheet dimensions mm: 93x186, grit: 320.