For permanent labelling and marking of x-ray images.
- Extra fine nib, waterproof, low-odour and opaque lacquer finish
- Shake the pen with the cap on. Remove the cap and place the nib of the pen onto a piece of cardboard. Carefully pump it up and down until ink flows into the nib.
- Stroke width: 0.8 mm
- Nib: Bullet nib