Schneider ONE Hybrid C Rollerball Pen, 0.5mm, Blue, Box of 10 (183203) Schneider is a leading international brand, with writing instruments designed and engineered in Germany, distributed in the US exclusively by Stride, Inc. Liquid ink rollerball pens; ergonomic rubberized barrel with blue ink Super-Flow-System for consistent ink flow and expressive writing, with visible ink level indicator and sturdy clip Large ink supply with a write out of over 1 mile; 0.5mm line width Waterproof, fade and light resistant rollerball is safe for documents