Discover precision and clarity with the Rotring Rapidograph F 0.25mm Technical Drawing Pen, a must-have tool for professionals and enthusiasts alike. This precision instrument, renowned for its fine nib and robust design, allows for intricate lines and smooth ink flow, ideal for detailed drawings and technical illustrations. The Rapidograph F model, with its modified ink cartridge, offers reliability and ease of use, ensuring that your artwork and sketches are consistently of the highest quality. Whether for architectural plans, engineering diagrams, or fine art, this Rotring pen stands as a testament to enduring craftsmanship and performance. the nib is new, the cap and body are not. the ink cartridge has been modified to allow it to be refilled