Fisher Space Pen Refill Ballpoint Medium Nib Blue sharp What’s particularly special is the

What’s particularly special is the fact that

Silver shine finish

355 mm x 400 mm

All DayPlanner organisers can be designed to suit your own personal needs with a vast array of refills available

BROTHER MFC J4710DW

Fisher Space Pen Refill Ballpoint Medium Nib Blue sharp What’s particularly special is theDescriptionSpecificationsShipping 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