- Universal pen for use on almost all surfaces
- Suitable for overhead projection
- Can be wiped off film using a damp cloth
- Water-soluble ink
- Fast-drying
- PP barrel and cap guarantee long service life
- Airplane-safe - automatic pressure equalization prevents pen from leaking on board aircraft
- Stand-up STAEDTLER box
- Superb colour brilliancy
- Lightfast colour black
- Line width medium approx. 1.0 mm
- Refillable