- ISO Fig. No. 298
- Diameter: 0.22 mm
- Head length: 8 mm
 FG Piranhas own 3-layer diamond
	Speed: 30`-300,000 rpm
	  
  Article available in several versions.
	There are following options available: 
  - superfine   
- fine
- medium
- rough
- extra coarse
 The selection here is "medium", also visible on the blue marking of the drill