Product Description This is the original Fisher Space Pen that was used on the Apollo 7 space mission in 1968 after 2 of years testing by NASA and has been used on all manned space flights since then. The design and construction of this pen has not changed in 36 years. The pen you buy today is exactly the same design as the one taken to the moon in 1969. It is a heavy pen and the weight rests reassuringly in your hand as you write. The AG7 is made from solid brass with an extremely hard Chrome plating. It has a very positive and substantial feeling click mechanism. You press down on the top to extend the refill and press the side button to retract the refill. It’s special design assures you that you’ll always retract the point before you slide it in your pocket. It’s constructed of all brass and steel components of the highest quality and are made in the USA. All Astronaut Pens are attractively packaged in heavy duty gift boxes with flock lining and come with a pamphlet describing the history of the Fisher Space Pen. Used on all NASA Apollo and Shuttle missions, ISS International Space Station, Russian Soyuz and MIR space flights, French ARIANE Space Program, Everest North Face Ski Expedition Key Features One hand activation – click the pen cap to activate mechanism Button on side of pen retracts refill Chrome plated pen body Thixotropic ink in the sealed and pressurized reservoir enables the pen to write for three times longer than a standard ballpoint pen The Fisher Space Pen will write: At any angle, even upside down. In extreme conditions from -20ºC to +200ºC. In the gravity-free vacuum of space. Underwater, on wet paper, over grease. Writes without EVER drying out Pen dimensions: L 130mm x D 9.5mm Lifetime warranty against manufacturing defects Supplied in a Fisher Space branded gift box Writes in black Length: 5.0" .375" Diameter Composition: All metal Cartridge: Fisher Pressurized PR4 Black Ink Medium Point Packaging: Gift Box with Astronaut Sleeve