• Brand = Staedtler
• Model Number = 308 05 - 5 BK1
• Colour = Green
• Material = Felt
• Manufacturer = Staedtler Mars GmBh & Co.
• Country of Origin = Germany
• For Writing, Sketching, Drawing
• Waterproof on Paper, Lightfast and Indelible

The pens have long metal tip, ideal for use with rulers and templates. They are Airplane-safe i.e. Automatic pressure equalisation prevents pen leakage while on board aircraft.

It is erasable when used on drafting paper and there is no bleeding when highlighted.

They can be left Uncapped for up to 18 hours without drying out.