A permanent marker pen with high quality UV ink that isn't easily rubbed off unlike inferior pens. PERMANENT ULTRA VIOLET SECURITY MARKER PEN. Extended UV lifespan with indelible marking. BLACK - this is a 2 in one pen with Black marker on other end.
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A permanent, invisible UV cash and property marker pen, which leaves a permanent invisible mark; visible only under UltraViolet (UV) light. Use to
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