Check the listing for details. Fisher Space Pen Turquoise Ink Cartridge Refill Medium Point Write Anywhere. Color: Turquoise, Condition: New. Listed at 14.39 USD. Turquoise Medium Point Refill: The pressurized cartridge refills can be used in any pen from the Fisher Space Pen collection excluding the infinium and stick pens 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