From the manufacturer:
- Universal pen for use on almost all surfaces
- Suitable for overhead projection
- Excellent smudge-proof and waterproof qualities on almost all surfaces
- Dries in seconds, therefore ideal for left-handed users
- Permanent, low-odour ink
- Black is lightfast
- PP barrel and cap guarantee long service life
- DRY SAFE can be left uncapped for days without drying up
- Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
- Superb colour brilliancy
- Line width S - superfine, approx. 0.4 mm
- Line width F - fine, approx. 0.6 mm