Description
The cutting edge refill technology in these Schmidt MegaLine 4889 Pressurized Ball Point refills are the most ideal and sophisticated refill for extreme environments used by NASA astronauts as their space pen refill of choice. The Schmidt Mega line system allows not only writing upside down or under the most extreme environmental condition, but also a writing with the highest speeds. The air tight system gives these refills a literally unlimited shelf-life. They are equipped with a stainless steel tip manufactured with the upmost precision as well as special ink pastes developed exclusively for Schmidt MegaLine pressurized refills available in Blue or Black ink.
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Features