3M 03056 Trizact 3-2/3" x 9" 5000 Grit Performance Sandpaper (Pack of 20) Used for removing 3000 grade sand scratches on painted surfaces prior to polishing Finer scratch refinement reduces or eliminates the need for compounding For use wet sanding Trizact technology for a fast, consistent cut and finish Use during stage 4 of the 3M body repair system