Fisher Space Pen Silver Coloured Ink Space Pen

The Fisher Space Pen Silver Coloured Ink Space Pen is designed for writing in challenging conditions and on various surfaces. It writes underwater, upside down, and in extreme temperatures, with a 1.3 mm line and up to 5,200 feet of writing length.

• The description claims the pen writes underwater, upside down, and in extreme temperatures.
• The description claims the ink can write up to 5,200 feet.