Economy and ecology in one mechanical pencil. The Progrex mechanical pencil features a retractable and sliding lead sleeve, as well as an ergonomic grip and an integrated eraser. By producing a Progrex mechanical pencil with recycled plastic, Pilot reduces the carbon footprint of the pen compared to a pen produced without recycled plastic. High-quality, durable leads for regular writing. Ideal for learning to write or for specific professional use (drawing, diagram, etc.)