Faber Castell felt pen

These Faber-Castell felt pens provide permanent ink and intense colours that dry within seconds. Ideal for smooth and transparent surfaces such as CDs, glass, metal and plastic.  The permanent ink is resistant to water and light. Its integrated special eraser provides clean and optimum results on most smooth surfaces, such as overhead transparencies and CDs.Line width:  Superfine (0.4 mm), Fine (0.6 mm) or Medium (1.0 mm)