One Business Rollerball features an ultra-smooth, 0.6mm tip to give you an incredibly smooth writing experience. Innovative, Super-Flow system provides consistent ink flow from start to finish to make sure every drop is used. Large ink reservoir has a level indicator to prevent unexpected runout. Cap-off, waterproof ink does not run dry even if the cap is removed for two to three days and is suitable for documentary use. Rubberized grip zone provides a secure hold for relaxed writing. Cap has a sturdy metal clip and fits neatly on either end of the pen. Rollerball pen is produced with a carbon-neutral process.

• Innovative Super-Flow-System provides consistent ink flow from start to finish
• Waterproof to resist smudging
• Ultra-smooth tip and rubberized grip zone to promote relaxed writing without hand fatigue
• Large ink reservoir and level indicator to ensure every drop of ink is used; Cap-off ink does not dry up, even if the cap is removed for 2 to 3 days
• Produced CO2 Neutral; Made in Germany