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 of recognition.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 seehere or check our other listings for Thick Nib UV Markers,click here
Markings are invisible under normal light conditions and fluoresce under Ultraviolet 'Black light'. A permanent 'invisible' marker pen with high
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