Koh-I-Noor's Rapidograph Technical Pens are remarkably versatile pens that handle like a pencil, moving in all directions without snagging or digging into the drawing surface. Point sizes, ranging from very fine to very broad, are capable of achieving an engraver's perfection, a loose sketching style or a finely detailed pointillist technique.
Koh-I-Noor's Rapidograph Technical Pens easily lay down dense, even-flowing lines of controlled widths. Any type and colour of ink can be used in refillable ink reservoir. Tubular nib handles like a pencil, moves in any direction, on virtually any drawing surface.