A Pen Designed to Last: The Silver Space Pen is fantastic for writing on surfaces like tires, other rubber surfaces, leather, photograph paper, scrapbooks and dark papers Write at any Angle: Fisher Space Pens are versatile and practical ballpoint pens that can smoothly write at any angle, even upside down with reliable performance on almost any surface Write in Extreme Temperatures: All Fisher Space Pens write in extreme temperatures ranging from -30°F to 250°F (-34° to +121°C), underwater, in space or any other harsh environment Quality and Reliability: Trusted by Astronauts, Explorers, and Professionals, Fisher Space Pens are often used in industries including Engineering, Aviation, Science, and Outdoor Adventures Explore The Fisher Space Pen Collection: Try our full collection of versatile and functional pens designed to write in Zero Gravity, Underwater, Through Oil and Grease and in Extreme Temperatures. This pressurized silver ink Space Pen has been a long time favorite in the Fisher Space Pen family. The SR80SL will typically write more than 5200 feet depending on writing style and surface. It is fantastic for writing on: Tires and other Rubber Surfaces, Leather, Photograph Paper, Scrapbooks, Dark papers & Surfaces.