The Cap O Matic Chrome Top Plastic Barrel Space Pen Measures 5.25" And Contains #Pr4 Black Ink. Experience the ultimate in writing technology with the Fisher Space Pen Cap O Matic (Model 555115). This innovative pen is designed to perform in extreme conditions, making it perfect for astronauts, outdoor enthusiasts, and anyone who values reliability. Its unique pressurized ink cartridge allows it to write smoothly in freezing temperatures, underwater, and even upside down, ensuring that you can capture your thoughts anywhere, anytime. The Fisher Space Pen Cap O Matic is not just functional but also stylish, featuring a sleek design that fits comfortably in your hand. Whether you*re signing important documents or jotting down notes, this pen delivers a consistent ink flow for a flawless writing experience. With its durable construction and compact size, it*s a perfect addition to your everyday carry or a thoughtful gift for a loved one who appreciates quality writing instruments. Features: * Pressurized ink cartridge: Writes in extreme temperatures, underwater, and upside down * Sleek design: Comfortable grip for effortless writing * Durable construction: Built to withstand harsh environmentstable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }