Diamond 539775S, ISO 161 coarse, 5 pcs / set

ISO Fig. No. 161
Diameter: 0.12 mm
Head length: 6.0 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 "coarse", also visible on the green marking of the drill.