Markal Paint-Riter+ Ultra Violet Security Marker in Uv

Permanent invisible liquid dries quickly to provide long-lasting, weather resistant marks. Glows bright blue when viewed with a UV or black light Need to make marks that are invisible to the naked eye£ This UV paint pen is the perfect tool for security marking, anti-theft measures, or quality control processes. It applies a clear, invisible paint that illuminates as bright blue under a UV or black light. The fast-drying, permanent liquid paint is weather and wear-resistant for long-lasting performance. ...