Fisher SPR4 Space Pen Pressurized Ballpoint Ink Refill, Medium Point, Pack of 3, Black Ink

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Feature

Writes upside down.
Writes underwater.
Operates from -30 degrees F to 250 degrees F
Pack of 3

Description

Fisher Space Pen Refill Black Medium SPR6. Blister Carded Space Pen Pressurized Printed Refill Black Med. Pack of 3.