Fisher Pressurized Ball Pen Refill
Product Description
This is the same pressurized refill that was invented by Paul Fisher for NASA. It's used by both the American Astronauts and Russian Cosmonauts on all manned space flights, because it writes in the freezing cold (-50 F), boiling heat (+250 F) vacuum of Outer Space.
It is also more dependable on Earth, because it writes when other pens fail.
Under Water
Upside Down
Pressurized ball point refill. With adapter fits those pens using a parker style refill.
The invisible color refill GLOWS under black light.
Black, Blue, Red & Green are available in Fine and Medium point. All the rest are available only in Medium point.
Fits:
Fisher space pens
Sensa space pens
Diplomat spacetec pens
Pelikan
Fat Boy Pens
Conway Stewart