Radial Bristle Discs a new type of abrasive that is superior to sandpaper, flap wheels, or other types of sanders, brushes, or abrasive wheels. The bristle materials are long lasting and very effective, it suit for deburring, cleaning, finishing, machining and polishing detailed parts, tiny areas and irregular places, it can be used with most multi-functional tools, such as Dremel drills, small grinders, rotary tools, etc. It is recommended that the manual speed be 10,000,Which can cooperate with the equipment of directional ratation,can be rotated forward or reversed ,it can be stacked, flexible, cool, durable, and provide a uniform finish.