Rollerball with Ultra-Smooth tip for the best writing experience. Line width approx. 0.6 mm, writing colour blue, waterproof according to ink standard ISO 14145-2. The innovative Super-Flow-System guarantees consistent ink flow from start to finish. It is great for notes and signatures or for visualizing. The large ink reservoir has a level indicator and every drop of ink is used. The cap-off ink does not run dry even if the cap is removed for 2-3 days. The One Business has a sturdy metal clip and an ergonomically rubberised grip zone that provides a secure hold for relaxed writing. Features Certification ISO 14145-2 Soft grip Yes Ergonomic grip Yes Clip Yes Waterproof Yes Cap off ink Yes Hand orientation Ambidextrous Line size Bold Thickness 0.6 mm Writing colours Blue Product colour Blue Construction type Stick pen Packaging content Quantity per pack 1 pc(s)