ASPR4 - Black Ink Medium Point Pressurized Refill


Sealed Pressurized Black Ink Cartridge, Medium Point

Fits most Fisher Space Pens

Writes underwater, upside down, at any angle, from -30 degrees F (-35 degrees C) to +250 degrees F (121 degrees C), over grease, 3 times longer than the average pen, is environmentally friendly and is unconditionally gauaranteed!