Featuring a German engineered, ultra-smooth tip for the absolute best writing experience, the Schneider One Hybrid C 0.5mm pen has an incredible Super Flow System that provides for consistent ink flow. The One Hybrid C 0.5mm features an advanced liquid ink regulator which aides in compensation for air pressure fluctuations and provides a reliable ink flow from start to finish. The ink is waterproof and held in large ink reservoir with a visible level indicator. Use every drop of ink in your Schneider One Hybrid C! The blue ink will not dry out even if the cap is left off for 2-3 days. Includes a high-quality metal clip and an ergonomic rubberized grip. A combination of wear resistant stainless steel and plastic conical tip make for an extremely durable writing point. Writing is smooth and relaxed. Large ink capacity writes for over a mile. The fade and light resistant ink is also acceptable for documents. Box of 10 pens. Discover for yourself why Schneider was voted the Brand of the Century by Deutsche Standards.