Retro 1951 Short Cap less Roller ball Refill Black 3 Pack. This smooth flowing black roller ball ink refill is used for the Retro 1951 Tornado collection (all models EXCEPT Elite and Fountain pens). Manufactured in Germany, these refills are engineered with the finest cutting edge ink technology. They measure 3.8 inches in length and 0.25 inches in diameter, and are sold in a 3 pack. For over twenty years, Retro 1951's mission has been to bring fashion, fun, and value to the world of writing instruments. They strive to bring the best quality designs to you by producing each product with the finest materials manufactured by skilled craftsmen. It is through constant evolution of style, color, and material construction that Retro 1951 proudly reminds you, Life is too short to carry an Ugly Pen!