Opaque Pen

Made in Japan ZIG opaque pen
Great usage in fields like screen printing and 

The ZIG Opaque Pens are specialty markers that contain dark red opaque ink which will absorb ultraviolet light and prevent it from being exposed from a negative image.

Perfect for re-touching film negatives or plates when there is a flaw to be fixed or transparent areas to cover that you don t want to be seen in the actual print. The ink will not crack or peel after drying. Also suitable for use on plastic, glass, and metal.