To perform best results of Dremel 473S EZ SpeedClic Detail Abrasive Brush G220, Dremel recommend users:

The Dremel 473S EZ SpeedClic Detail Abrasive Brush G220 is great for detail cleaning and light sanding. Use on metal, wood, glass, aluminum and plastics.

It allows sanding of contours, details, and hard-to-reach areas. Built-in polishing compound. Rubber bristles have abrasive inside, no need for polishing compound. Removes exterior surface layer without damage to base layer below and removes the paint but not the wood with light pressure. Sand delicate surfaces. Get into tight contours for easy restoration. Clean wood, aluminum, plastic, metal, steel and vinyl. EZ Lock compatible, use with either SC402 or 402 mandrels.