*The ink only appears when illuminated by black UV light.
*The ink is invisible under normal lighting or sunlight.
* Can be used for fine or thick lettering according to the material to be
* Will easily mark material that is to mark with a pencil or tailor schalk
*Suitable for marking white colored or thin parts where tailors chalk
would be too conspicuous
Washable UV marker pen Felt tip (ink type)
Permanent UV marker pen Felt tip (ink type)