Faber-Castell Ambition Rollerball Pen - OpArt Black SandThe clean lines and selected materials of these slim writing implements make an excellent impression. They are distinguished by clear cut visual design combined with professional functionalism. The barrel of this Ambition OpArt Black Sand Rollerball Pen is engraved with geometric lines for a unique three dimensional effect. Cap with a spring loaded metal clip pulls off and posts on the back end when writing. Ceramic rollerball refill with fast drying