Fisher Space Pen Apollo Space Pen Green S775G-GR - Writes Upside Down Underwater At Any Angle In Extreme Temperatures

The Fisher Space Pen Apollo Space Pen S775G-GR is a compact, brass-capped writing instrument built for professionals who work in demanding environments. With a green barrel and a proven pressurized ink system, it writes reliably where standard pens fail—upside down, underwater, or in extreme temperatures.

• Overall length: 5.13" for easy pocket carry and quick access
• Ink cartridge: Fisher PR4 black ink, medium point, designed for consistent flow in challenging conditions
• Finish and construction: Brass cap paired with a green barrel provides durability and a distinctive look
• Write-anywhere capability: Writes upside down, at any angle, and even under water or over grease
• Carry and display: Pocket clip for secure everyday carry; hang packaged for retail or gifting

The Apollo Space Pen solves the frustration of unreliable writes in real-world work—whether you’re in a cold environment, on a rainy outdoor job, or handling oily equipment. The pressurized PR4 cartridge maintains ink flow in extreme conditions, so you can capture notes, serial numbers, or measurements without interruption. Its durable brass cap and rugged green barrel withstand daily use, while the pocket clip keeps the pen within reach at all times. This is a practical, purpose-built tool for engineers, divers, technicians, and outdoor enthusiasts who demand dependable performance from their writing instrument.