Ergonomically designed with a non-slip surface over the entire shaft, this easy-to-grip pen features a high quality .5mm nickel silver rollerball tip for extremely smooth writing. It utilizes the latest bionic liquid ink technology, and is available in four popular ink colors. The fun orange shaft color offers a stand-out alternative to the uniform gray, black and blue pens. Ideal for professionals and frequent users, the unique design allows for relaxed fatigue-free writing.