Fisher Space Pen Backpacker Key Ring Space Pen - Medium Point - Black Body

Perfect for clipping onto a backpack, purse, or key ring, this rugged aluminum pen features the legendary Fisher Space Pen ink. Able to write upside down, under water, over grease, and in extreme temperatures, it is a pen you can count on to work when you need it—whether you're braving the wilds of a national park or your morning commute. It can write over 12,000 feet before running out of ink, and it has an estimated shelf life of 100 years.
Perfect for clipping onto a backpack, purse, or key ring, this rugged aluminum pen features the legendary Fisher Space Pen ink. Able to write upside down, under water, over grease, and in extreme temperatures, it is a pen you can count on to work when you need it—whether you're braving the wilds of a national park or your morning commute. It can write over 12,000 feet before running out of ink, and it has an estimated shelf life of 100 years.

Chrome Bullet Space Pen with Clip – The Quill

Backpacker Space Pen, Black Anodized Aluminium with Keychain (#BP/B)

Writes Underwater, Upside Down & At Any Angle, Over Grease, 3X Longer Than an average Pen. Also writes in Extreme Temperatures (-30 Degree to 205

fisher SPACE PEN Backpacker Space Pen, Black (BP/B)

Fisher Space Backpacker Silver Pen - Pen Boutique Ltd

Fisher Space Pen Backpacker Pen Review — The Pen Addict

Classic Fisher Space Pens have been going into space since before the first Moon landing. The cartridges of conventional ball point pens are open to permit ink to be fed to the point. The secret behind the Fisher Space Pen lies in the unique design characteristics of the ink and the high precision manufacturing tolerances of the ball point and socket. The ink is fed to the ball point by gas pressure permitting the pen to write in any position.