Boley set of 4 watchmaker screwdrivers with hexagon socket screws

Boley set of 4 screwdrivers with colour ring for hexagon socket screws.

Contents:
- Screwdriver hex-key 1.5mm - violet
- Screwdriver hex-key 2.0mm - green
- Screwdriver hex-key 2.5mm - blue
- Screwdriver hex-key 3.0mm - brown