[Dremel 512S - 2-Pack 320 Grit]
[EZ SpeedClic Grinding Wheel]
[Dremel 511S - 2-Pack 180 & 280 Grit]
[EZ SpeedClic Wood Cutting Wheel]
The SpeedClic Grinding Wheel can be used on all sorts of metals including aluminium, steel, copper and also hard plastics.