The Detecta Mark is a stylish stainless steel ball point pen and ultra
violet flashlight. The pen uses permanent ink that can only be seen
under ultra violet light.
Leaves a Permanent Mark to Identify your
Secretly Mark Valuables so that they can be identified if stolen and
recovered. Write Secret Messages.
The Detecta Mark Anti-Theft Set includes a combination pen / flashlight,
an extra pen refill, and 3 extra LR-41 batteries.
GA34 Detecta Mark $4.95
Writing is Invisible
Writing is Visible under UV Light