This ultra-violet formula marks with invisible white ink and cannot be seen until placed directly under a black light. Marker has a medium bullet tip.
Permanent oil-based formula marks on plastic, glass, metal, and other non-porous surfaces.
Features a non-slip rubber grip, and pocket clip on the cap. Reversible, valve-action nib helps you get the most out of your marker!Find the SKM Water-based UV Marker HERE!