Will these refills fit the Gerber 31-001880 Impromptu Tactical Pen?

It fits the Gerber pen just fine, but this medium point refill is broader than the original Gerber refill. If you like the original, get the Fisher fine point, which is very close. Both the Gerber and Benchmade pens use the plastic "Parker Adapter" that comes with the Fisher and "Rite in the Rain" refills - so Parker refills work as well, which gives you even more choices - for example the gel rollerball refills.

Will these work for all fisher space pens? ...................i'm specifically interested in the fisher telescoping pen.

I suggest you go to spacepen.com to see Fisher’s offerings.

Will these refills work with valtcan titanium cyberpen bolt pen edc writer gear stonewash

Don’t know. My pen is a Tuff Writer. I would ask this question to the manufacturer.

Is a medium space refill as smooth as a zebra by gel refill?

I don't know as I've never used a zebra. However, I do know that the Fisher refills work. They write smoothly, maybe not as smooth as a gel, but it does glide easily as the ink is "thixotropic" - meaning attracted toward touch. i.e. once the pen is on the paper, the ink is drawn out, so it is a smooth glide as you write...Hope this helps

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3 Pack Blue SPR1 Refills for Bullet Fisher Space Pen

Product ID: 62808908

Details

Brand
Fisher Space
Item dimensions L x W x H
15.2 x 1 x
Item weight
18 g
Number of pieces
3
Style
Ballpoint

📦3-pack convenience

🔵Vibrant blue ink

🖊️Medium point precision

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€ 53.24

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖋️ Never miss a stroke—refill your edge with Fisher’s iconic blue ink!

VIBRANT BLUE INK - Stand out with bold, clear blue ink that commands attention on every page.
MEDIUM POINT PRECISION - Balanced line width for professional notes and crisp signatures.
UNIVERSAL COMPATIBILITY - Fits Fisher Bullet and top tactical pens like Smith & Wesson & UZI—upgrade your everyday carry.
PRESSURIZED INK TECHNOLOGY - Writes smoothly in extreme conditions—gravity-defying ink flow for every task.
READY TO DISPLAY PACKAGING - Blister carded for easy pegboard display—perfect for quick grab-and-go refills.

This 3-pack of Fisher SPR1 blue ink refills features medium point tips and pressurized ink technology, ensuring smooth writing in any environment. Compatible with Fisher Bullet pens and popular tactical pens, these refills come blister carded for convenient retail display.

Specifications

ASIN	B00610ZUJE
Best Sellers Rank	99,858 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 988 in Pen Refills
Brand	Fisher
Brand Name	Fisher
Customer Reviews	4.8 out of 5 stars 895 Reviews
Global Trade Identification Number	00747609889567
Ink Colour	Blue
Item Dimensions	15.2 x 1 x 17.8 centimetres
Item Weight	0.04 Pounds
Item dimensions L x W x H	15.2 x 1 x 17.8 centimetres
Item weight	0.04 Pounds
Manufacturer	Fisher Space Pen
Manufacturer Part Number	SPR1
Model Number	SPR1
Number of Pieces	3
Number of pieces	3
Point Type	Medium
Point type	Medium
Style	Ballpoint
UPC	747609889567
Unit Count	3 count

Reviews

D**N

Pen refills

Delivered on time and contents were perfect

31.08.2025

M**N

An excellent product.

An excellent product, I've used them for some time now.

27.04.2025

G**K

Very good and they do write upsidedown

Good value

27.09.2024

P**Y

Good Price

Arrived ok, have not used yet purchased as spares.

1.07.2023

S**E

Excellent product and at a very reasonable price

Excellent product. Came on time. A reasonable price.

18.07.2021

T**L

Great pens and refills.

I love my Fisher Space Pen, but had recently run out of ink. I needed blue ink for work and these fit the bill perfectly. I was happy to get 3 refills and convert my favourite pen to a space pen! The plastic parker conversion piece is a much needed accessory as well. Product was exactly as described and shipped very quickly!

31.12.2020

H**S

sehr gut

schreibt wie gewünscht

18.03.2026

N**N

Perfectos

No he encontrado ningún otro bolígrafo con las mismas cualidades que este. Muy satisfecho.

4.06.2025

A**Z

جيد جاء حسب الطلب

جيد

1.01.2021

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€ 53.24

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 months ago

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