MICRO MESH 5" NO-HOLE SANDING DISC COMBO PACK 5" No- hole, hook and loop style. Kit contains 9 grades, 1 each of the following; 1500, 1800, 2400, 3200, 3600, 4000, 6000, 8000, 12000 grit. Use with random orbital sander to polish large surfaces in half the time. Use dry (no need to wet sand)