The OEM Staedtler 10 Triplus Roller Rollerball Pens are designed with an ergonomic barrel for a relaxed, comfortable grip during extended writing sessions. Featuring a dry-safe ink formula, these pens prevent drying out too quickly, ensuring cost-efficient use. The airplane-safe design prevents leaking during flights, making them ideal for safe travel. Equipped with a long-life metal tip, they provide an enjoyable writing experience with legible results.