Space Pen Ballpoint Pressurized Refill - Red digital writing Finn Double Walled Vaccum features:

Finn Double Walled Vaccum features:

Designed with the complete airtight Slip & Seal Mechanism that prevents ink from drying out in the pen

evoking the red light of a camera

It is compatible with the A5 Hobonichi Techo Cousin books

Space Pen Ballpoint Pressurized Refill - Red digital writing Finn Double Walled Vaccum features:Space Pen Ballpoint Pressurized Refill use patented Fisher ink technology. Unlike ordinary ball pens which rely on gravity to feed ink, the Space Pen has a pressurized replaceable cartridge. At nearly 35 pounds per square inch, ink is continuously fed to the tungsten carbide ball, allowing the user to write at any angle, even upside down. This advancement required the development of a special ink. Fits the Following Space Pen product categories: