The only technical pen made in the U.S.A. It is a remarkably versatile drawing instrument for use with all waterproof drawing ink. Point sizes range from very fine to very broad, and are capable of achieving an "engraver's perfection," a loose sketching style, or a finely detailed pointillistic technique. With airtight Dry Double Seal cap for instant start up, stainless steel nibs, and long barrels. The standard drafting, ruling & drawing pen and the most popular. Hard chrome stainless steel points for use on paper or film. Precision quality for accurate line widths. Made in the U.S.A.