For over thirty years the Koh-I-Noor Rapidograph pens have been used by artist, architects, designers, and engineers to create beautiful drawings in consistent ink lines. Why is it that the Rapidograph pen is so great?? Because a Koh-I-Noor Rapidograph pen handles like a pencil, moving in all directions without snagging or digging into the drawing surface so the artist is able to produce detailed, beautiful pen-and-ink illustrations. Rapidograph pens from Koh-I-Noor, the only manufacturer of technical pens in North America, are the industry standard and the top selling pens of their kind because of their proven quality and reliability. Getting started is easy. All you need are a Rapidograph pen, drawing ink, paper and your creativity.