Fisher Space Pen Trekker Space Pen S725B - Writes Underwater Upside Down At Any Angle In Extreme Temperatures

The Fisher Space Pen Trekker S725B is a compact, dependable writing instrument designed for professionals and outdoor enthusiasts who need reliable performance in extreme conditions.

• Length / Form Factor: Closed 4" long, offering a slim, unobtrusive profile for everyday carry.
• Keyring Cap Design: Two-piece construction with a cap that attaches to a keyring for quick access and convenience.
• Ink & Point: Black ink with a medium-point cartridge for clear, readable lines.
• All-Condition Writing: Writes underwater, upside down, at any angle, over grease, and in extreme temperatures.
• Color: Black finish for a professional, low-key look that resists showing wear.
• Packaging: Hang packaged for easy display and immediate selection in stores or online.

With its proven design, this pen stays ready when other pens fail—whether you’re taking field notes in damp environments, recording observations on a greasy surface, or jotting reminders in cold or heat. The Trekker’s compact size and keyring cap keep it accessible in a toolbox, tool belt, or backpack, making it a practical addition to any emergency kit, outdoor setup, or daily carry.