The special net structure of 7900 sianet enables dust-free work with maximum sanding performance. Applications: grinding off coatings and contaminants; Sanding paints, lacquers, spatulas, fillers and plastics; sanding of primers; Fine grinding of surfaces and edges; Intermediate sanding of paint; polishing preparation for high-gloss surfaces; Fine sanding of solid wood, veneers, mineral materials, priming film, gypsum and gypsum fiber boards Advantages: All-over dust extraction; High removal rate without clogging; Highly efficient and productive; High tear resistance thanks to the stable mesh underlay Main application(material): acrylic paint; old paint; Ink pen; Primer; hardwood; Resinous wood Secondary use(material): Plaster; gypsum fiber boards; primer film; HDF panel If you buy sev