







🪐 Write beyond limits—because your ideas deserve space-grade precision.
The Fisher Space Ballpoint Refill in green medium ink is engineered to perform in zero gravity and extreme temperatures from -30°C to 250°C. Made entirely of brass and steel, it offers exceptional durability and fits classic Parker pens with an included adapter. Trusted by professionals for reliable, smooth writing in any environment, this refill transforms ordinary pens into space-age writing instruments.



| ASIN | B001E323AC |
| Are Batteries Included | No |
| Best Sellers Rank | 11,076 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 131 in Pen Refills |
| Brand | Fisher Space Pen |
| Colour | Green |
| Customer Reviews | 4.6 4.6 out of 5 stars (5,586) |
| Date First Available | 29 Sept. 2009 |
| Guaranteed software updates until | unknown |
| Item Weight | 9 g |
| Item model number | SPR3 |
| Manufacturer | Fisher Space Pen |
| Product Dimensions | 8.89 x 0.51 x 0.51 cm; 9 g |
B**H
Functional and Excellent
I don't know what "sheerness" means with respect to ball-pen refills. Capitalized, it's a seaside town in Kent, uncaptialized it's something to do do with stockings, however I've given this 5 stars, because these are good. I've given 5 stars for "thickness" too. It says its a medium thickness nib, and its seems to be just that. These fine items with a little plastic Parker adapter, which means that that old Parker biro found in a deceased relative's effects, 40 years old, and with a dried-out and dribbled refill, can be given a new lease of life. In fairness to Parker, the original refills are not actually intended to last 40 years upside down at the bottom of a drawer, stay working and not leak, so you can't really blame them. Space pen refills are intended for durability, indifference to gravity, and effective sealing. I can't say whether they will last 40 years, the last space pen I bought was only 30 years ago, and its probably at the bottom of a drawer somewhere, and (if I ever find it again) I'd be amazed to find it didn't still work. For the pen-conscious, you can refurbish and upgrade a classic pen to better-than-original spec and consider yourself fashionably retro. For cheapskates, you can get a classy old biro working again to give yourself a wholly-spurious appearance of sophistication, and save yourself the effort of acquiring nasty little disposables from Argos, betting shops etc or even (shudder!) buying a packet of cheap'n'nasty supermarket pens. For people like myself, who leave pens on any available horizontal surface, keep them loose in their pockets, or in that ash-tray thing in the car with the corroded change for parking meters and decomposing sweets and still expect the pen to work, a space pen is ideal. They can be kept under grotty conditions, will write on grotty surfaces, and they stay working. I bought three of these to resurrect a trio of my Dad's old Parkers from the 70s. I can see one of them on the desk at the moment, but dunno where I have left the other two, but I am confident that, when I find them, they will still work. On that basis, space pens are good value for money, so I gave them five stars for this. Functional and excellent, as I said in the title!
S**P
Good, reliable work-horse of a pen refill.
I've been using fisher pens for a few years now since I was introduced to them by a colleague at work. My job involves writing in paper notebooks in all sorts of weather conditions - from freezing temperatures, to peeing rain. The way the fisher cartridges are designed means that these write even on wet paper, at any angle, and in the lowest of the low temperatures. And before any smarties-pants suggests I use a pencil - i'm not allowed to!! I initially used these in proper branded fisher barrels, however I have found that I prefer the feel in my hand of some of the parker pen barrels. These cartridges come with a little plastic attachment which means they fit perfectly into the parker pen barrels with no issues. My gripe with the fisher barrels is that they tend to be a bit over-designed - probably in an effort to make them more reminiscent of the space race, often at the expense of writer's comfort! These come in a plastic blister pack, mounted on card, for anyone interested in how these arrive.
S**E
Nice green
This shade is to green what blue-black is to blue, a good, mid-range colour, and it doesn't give off the 'mad' vibes associated with green ink. It is sane and pleasing, just green. Ideal for crosswords, calendars - and writing to your MP. As to the quality, it's a standard, branded Fisher Space Pen refill. They're very good.
A**R
Great refills but the thin front end is shorter than other brands, which reduces compatibility options.
I've been using Fisher Space pen refils for years. They really do work on many surfaces that others won't. Unfortunately the thin part of the front end of the refill is shorter than some other brands like those required for a Zebra brand pen although the total length of the refill is the same, and even reducing the length of the pen's coil spring doesn't make them compatible. A shame the Fisher pens are so expensive.
R**.
Pricey
Well made write anywhere
S**D
a great refill
This is refill for a Fisher Space pen. I've used it with my Fisher Space Original Astronaut Retractable Pen As Used On The Apollo 11 Mission Memorable Engraving - and it works perfectly. Given the design of this pen, you can use it at any angle and the ink will continue to flow. The refill isn't cheap, but then the pen itself is quite costly. The ink is black and the point is medium sized. It writes smoothly. If you need a black ink refill for a space pen, I highly recommend this item.
G**R
Refil-may they continue
I've have had a Fisher Space World Famous Bullet Pen In Chrome Finish for simply ages. The problem is, as it's so compact, tactile and such a pleasure to use, I simply use it all the time!! Hence the need for this refil Fisher Space Pen Refill SPR4 Black Ink/Medium Point . They are without a doubt a fantastic ballpoint ink refil. They really do write anywhere, I work at sea in sometimes very hostile environments and it has never let me down. After losing it in the bilge and it being there for over 2 months submerged in oily, filthy and salty water, once recovered and rinsed in fresh water it worked perfectly, even before I dried it off!! A testiment to both the pen & the ink refil.
P**L
Real deal
Perfect for my Space pen. Doesn't splodge like cheap copies
O**T
For my small journal pages it is nice to have a thinner line. All these cartridges give a very smooth writing experience and no problems with ink flow.
E**A
Produto muito bom, funciona em posições variadas; pra cima, na vertical, em papel sujo de poeira, óleo.
C**N
Funziona benissimo in ogni circostanza. Consigliatissima!!! Ecco forse la punta fine è un po' troppo fine per i miei gusti... Ma é veramente una sfumatura. Il refil scrive benissimo, sensazione di scrittura paragonabile alla Parker.
E**E
Work pergectly for the Gerber tactical pen
M**D
Es la recarga original, un poco cara.
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