Fisher Space Pen Cap-O-Matic Space Pen SM4G - Writes Upside Down And Underwater In Extreme Temperatures

The Fisher Space Pen Cap-O-Matic SM4G is a compact, gold-finished pen built for professionals and fieldwork, delivering dependable, versatile writing in extreme conditions. It features a Cap-O-Matic mechanism and PR4 black ink for consistent performance when it's needed most.

• Length: 5.25" overall for easy pocket carry and comfortable handling
• Finish/Color: Gold finish for a premium, professional look
• Ink & Nib: Fisher PR4 black ink with a medium-point cartridge for smooth, legible lines
• Cap-O-Matic mechanism: Cap-driven design that protects the nib and enables quick one-handed use
• Write-anywhere capability: Writes upside down, at any angle, underwater, over grease, and in extreme temperatures
• Pocket clip: Built-in clip to secure the pen to pockets, notebooks, or gear
• Packaging: Hang-packaged for easy store display and organization

With pressurized PR4 ink and a durable Cap-O-Matic system, this Space Pen remains reliable when others falter—whether you’re in a damp workshop, out in extreme weather, or tackling tasks on greasy surfaces. The 5.25" size provides a balanced grip that’s easy to control, while the gold finish adds a refined touch to everyday writing or on-site notes. The clip keeps the pen within reach for quick jotting, and the hang-ready packaging makes it straightforward to stock, gift, or kit up your workspace.