SureBilt 800, 1000, 1200, 1500, 2000, 2500 Grit 1/3 Sheet Waterproof Sandpaper 6

"Made with silicon carbide to really dig in and finesse to a fine finish while resisting breakdown and loading up when wet sanding. - Wet sand before primer coats - Feather paint and body filler - Removes and blends paint - Use to shape and smooth body filler"