320 Grit Stick It File Board Sandpaper

320 Grit. 40 yard bulk roll. Standard 2-3/4" wide. This paper is sticky back (PSA). Strong C weight paper combined with a layer of film provides durability and water resistance. This paper has an Aluminum Oxide grain for fast cutting with a long life. Applications include wood, plastics, lacquers, paint, metal and automotive body fillers. Fits all air and hand file boards.