Backpacker Pen by Fisher Space Pen

Ships in 1-2 business days | Based in Boulder City, NV | Est. 1948

A pen that works everywhere and anywhere 

The Backpacker Space Pen by Fisher Space Pen attaches to anything, allowing you to write anywhere. After hours of hanging upside down, it will immediately function as you want it to thanks to the pressurized, refillable, ink cartridge. Like all Fisher Space Pens, it will write upside down, in water, through mud, in extreme hot or cold, and even in the gravity-free vacuum of space. We don't know of anyone who has backpacked to space yet, but when you do, you can write worry-free anywhere along the journey with the Backpacker Space Pen. 

Features :

• Replaceable ink cartridge

• Will write for over 12,000ft or approximately 2.5 miles, that's a lot of journaling for one cartridge

• Writes underwater

• Keyring for easy attachment and carrying

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Specs

Dimensions:  

• Closed: 4.09" | 10.4cm

• Open: 5.65" | 14.4cm

• Diameter: 0.4" | 1cm

Ink color: Black

Point size: 1.1mm

Operational temperatures: -30°F to 250°F | -34°C to 121°C

Weight: 0.5oz | 15g

Materials: Aluminum with an anodized aluminum finish 

• Cartridge: Fisher pressurized PR4, black ink, medium point, compatible with any PR refill

Made in the U.S.A.