3M SandBlaster Series 11320-G-6 Sandpaper, 9 in L, 3-2/3 in W, 320 Grit, Fine, Synthetic Mineral Abrasive

Can be used on a wide range of surfaces including paint, wood, metal, plastic and fiberglass. No slip grip backing. Sharp and synthetic minerals cut fast, stay sharp and resist clogging. Can be used by hand, on a sanding block.