The Pilot Mechanical Pencil Progrex 0.5 is a sleek and stylish mechanical pencil that is perfect for everyday use. It features a lightweight and ergonomic design that fits comfortably in your hand, making it easy to use for long periods of time. The pencil is made from high-quality materials, ensuring durability and reliability. The 0.5mm lead size is ideal for precise and accurate writing, drawing, and sketching. The pencil also features a unique lead-advancement system that allows you to easily and quickly advance the lead without having to manually push the lead down. The pencil also comes with a built-in eraser that is conveniently located at the top of the pencil, making it easy to make corrections without having to search for an eraser. The Pilot Mechnical Pencil Progrex 0.5 is the perfect choice for anyone looking for a reliable and stylish mechanical pencil.