Economics 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 pen's carbon footprint compared to a pen produced without recycled plastic. Quality and durable leads for regular writing. Ideal for learning to write or for specific professional use (drafting, diagrams, etc.)