Fine nib permanent UV invisible ink marker pen. Ideal
for security marking your property. Police advise items
should be marked up with your postcode for simplicity
Inks used are very durable and fully weatherproof.
Ink fluoresces a white/blue under UV as per picture.
Totally invisible under ambient light.
For a full security marking kit see here
or check our other listings for Thick Nib UV Markers,