DESIGNED FOR CLEAN SANDING: The 3M Xtract proprietary multi-hole pattern provides superior dust extraction to prevent loading, help increase productivity, and provide a cleaner work environment WORKS WELL ON MANY SURFACES: Suitable for use on all metals, aluminum, carbon steel, composites, wood, fiberglass, gelcoat, topcoats, and paint QUICK AND EASY DISC CHANGES: The 3M Hookit attachment system allows for easy disc changes and helps optimize disc life OPEN COAT CONSTRUCTION: Open coat construction and load-resistant coating prevent clogging to optimize cut throughout the life of the disc COVERS A WIDE RANGE OF APPLICATIONS: Choose from grades between 80+ and 400+ to handle applications ranging from finishing to coarse sanding, excelling at stock removal For industrial/occupational use only. Not for consumer sale or use.