Fisher Space Pen Shuttle Space Pen CH4 - Writes Upside Down, Under Water, In Extreme Temperatures

The Fisher Space Pen Shuttle CH4 is a compact, chrome-finished writing tool designed for professionals who work in harsh environments. It writes reliably in challenging conditions—upside down, at any angle, underwater, or on greasy surfaces—so you never miss a note.

• Length: 5.25" overall
• Finish: Chrome with a sturdy pocket clip
• Ink System: PR4 black ink cartridge with a medium point for smooth, consistent lines
• Write-anywhere capability: Writes upside down, at any angle, under water, over grease, and in extreme temperatures
• Packaging: Boxed for gifting or safe storage

With its pressurized ink, this pen maintains a reliable flow in rain, heat, cold, and even when your hands are wet or oily. The 5.25" size fits neatly in a shirt pocket or tool belt, while the clip keeps it accessible during work or travel. Ideal for field engineers, technicians, divers, outdoor enthusiasts, and anyone who records measurements or notes in demanding conditions—the CH4 helps you capture accurate details when you need them most.