Universal felt for most surfaces
Suitable for overhead projection
Excellent water and rub resistance on most surfaces
Dries quickly on the substrate, ideal for left-handed users
Virtually odorless permanent ink
Polypropylene barrel and cap for long life
DRY SAFE ink: the pen can remain open for several days without drying (ISO 554 test)
Aircraft safety: automatic pressure balancing prevents ink from leaking
High color brilliance
Line width F - fine, approx. 0.6 mm