Space Shuttle Data Recording Pen Assembly (Fisher Space Pen Model CH4), measuring 5.25″ long, with attached tether and white Velcro at the end marked in red felt tip, "III." The ballpoint pen famously uses a pressurized ink cartridge to allow use in zero-gravity environments and has a side-button retractor, with the clip on the barrel engraved with the Fisher logo and "Space." In fine condition.
