Use on wood, metal, paint and plastic for surface treatment, smoothing corners, deburring and structuring. Suitable for use with drills and straight grinders with collets. 6mm arbor. Max 8900rpm. Use on wood, metal, paint and plastic for surface treatment, smoothing corners, deburring and structuring. Suitable for use with drills and straight grinders with collets. 6mm arbor. Max 8900rpm.