Fisher Space Pen Backpacker Keychain Chorna / BP/B (747609950366)

Fisher Space Pens have been accompanying astronauts on board the leather space flight for over five decades. The Backpacker series is intended for people who deal with extreme conditions in an invisible part of life. Firefighters and police officers, doctors and sergeants, Ancients and mountaineering. The cold of snowy peaks And the inferno is empty - no harm to this pen. It is practically impossible to break a pen. Everything is extremely simple and reliable. - The length of the letter is ≈4500 meters, which is 3.5 times longer than that of a typical swiftlet. - The inks are thixotropic - solid in the initial state and are rarefied during writing, pressed by nitrogen under a pressure of approximately 2.4 atm. - Handle depth - 10 cm. - Operating temperature range from -35 to 120 ° C. - Ink service term - 100 years - There is a ring on the cup for fastening the cord or keys.