Fisher Space Pen Refill Ballpoint Medium Nib Black mars The alcohol based pigment ink

The alcohol based pigment ink in the artline 577 has a non offensive low odour and provides dense bold colours

OEM: 700837

Can be left uncapped for at least 12 hours without drying up

Compact design with full-featured QWERTY keyboard

ROCCAT® Owl-Eye optical sensor with 16000dpi

Fisher Space Pen Refill Ballpoint Medium Nib Black mars The alcohol based pigment inkDescriptionSpecificationsShipping Paul C. Fisher developed the pressurized refill for NASA in 1965. It's still in use today on manned space flights because it performs when other pens fail. The combination of tungsten carbide ball point and thixotropic ink in a hermetically sealed cartridge pressurized at nearly 35 pounds per square inch allows it to write in freezing cold, boiling heat, under water and at any angle even upside down! Pressurized Space