About Fisher Pocket TEC Space Pen - Red The Pocket TEC Space Pen is part of the Fisher Space Pen Co's range of modern, sleek and durable ballpoint pens and is produced from sleek anodized aluminium. Fisher Space Pen's have become an icon of American writing equipment and 20th Century design, having featured in exhibitions at the Museum of Modern Art in New York. Manufactured in Nevada, USA, this pen is produced to exacting standards and utilises Fisher's tungsten carbide ballpoint and patented visco-elastic ink in a pressurised cartridge. As a result, the Fisher Space Pen can write in the most demanding environments: In the zero gravity vacuum of space In extreme heat up to 200°C In extreme cold to -20°C Underwater Upside down On grease This pen is fitted with a SPR4 black medium point refill. This pen is 100mm long when closed, 133mm long with the cap posted.