• Staedtler Lumocolor Permanent Marker Universal Fine Line Pens for use on overhead projector film and almost all surfaces. • Produces a fine line 0.6mm width. • Suitable for use on CDs and DVDs. • Ink is smudge-proof and has waterproof qualities on almost all surfaces. • Includes stand-up Staedtler box. Ideal for use on overhead projector film and almost all surfaces are these 4 pack Staedtler Lumocolor Permanent Marker Universal Fine Line Pens. They are Dry Safe which means that the pen can be left uncapped for days without drying up. The ink has high smudge-proof and waterproof qualities on practically all surfaces. The polypropylene barrel and cap ensures a long service life for the pen. The pens come supplied in the practical stand-up Staedtler box. Fine line width is approximately 0.6 mm. Additional details: Packaging size: 150mm x 50mm x 20mm