Diamond 539858, ISO 299, medium, 5 pcs / set

ISO Fig. No. 299
Diameter: 0.21 mm
Head length: 10 mm

FG Piranhas own 3-layer diamond
Speed: 30`-300,000 rpm
 
This article is 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.