Fisher Space Pen Fisher Universal Ballpoint Pen Refill, Black Ink Medium SPR4 - Lot of two (2) . New and sealed old stock.

Fisher Space Pen Ink Refills were developed for astronaunts and are the ultimate in dependability. Used by NASA in all space missions.

Medium Point, Black Ink, Pressurized Space Pen Refill. Fisher Space Pen’s Sealed Pressurized Ink Cartridge.

• Medium point, black ink.

• Fisher Space Pen Ink Refills write upside down, under water, in extreme temperatures (-30 to 250 degrees) and three times longer than the average pen.

• Fisher Space Pen is the only NASA approved pen and have been on all manned space flights.

• Made in the USA.

• Stainless steel, precision-machined socket prevents leaks and oozing, yet delivers instant uniform ink flow.

Ships promptly and carefully packaged from smoke and pet free home. Please message with any questions before purchase.