Dynabrade 78021 1/2-Inch Wide by 18-Inch Length Very Fine Non-Woven Nylon DynaBrite Belt, Blue Used for a wide range of applications including decorative finishing, surface conditioning and blending on a variety of metals DynaBrite belts are made of a non-woven nylon which is impregnated with abrasive grain and resin, perfect for: Light and heavy duty cleaning, Deburring, Blending, Polishing and Finishing