|Item Weight||0.8 ounces|
|Product Dimensions||6 x 0.4 x 7 inches|
|Item model number||SPR4|
|Line Size||0.7 millimeters|
|Manufacturer Part Number||SPR4|
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Fisher SPR4 Space Pen Pressurized Ballpoint Ink Refill, Medium Point, Pack of 3, Black Ink
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- Writes upside down.
- Writes underwater.
- Operates from -30 degrees F to 250 degrees F
- Pack of 3
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Fisher Space Pen Refill Black Medium SPR6. Blister Carded Space Pen Pressurized Printed Refill Black Med. Pack of 3.
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|Sold By||Amazon.com||Amazon.com||Amazon.com||Amazon.com||Marketfair Stationery||Amazon.com|
|Item Dimensions||0.39 x 6 x 7 in||0.39 x 6 x 7 in||0.39 x 6 x 7 in||5 x 5 x 5 in||6 x 9 x 0.2 in||0.39 x 6 x 7 in|
Top customer reviews
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Changed to one of these refills, no more oozing and smearing.
Nice if you are Left-Handed.
Nothing else will work.
They are not like any other ink refills.
They are under pressure and use a special type of ink that writes on anything.
Expensive but worth it.