Hi. Does it fit for Vector rollerball?

If you are talking about a Parker Vector then yes it fits

Where are these refills made?

I believe it is by a company called DOKUMENTAL in Germany.

Why are these refills 4.5 inches long when parker refills are 3.8 inches? see unibene asin b07q2tnnrc.

These refills are rollerball refills. For b07q2tnnrc, they are ballpoint refills.

Is the blue a dark blue or blue/black or a light blue? Thanks.

Hi Wally. That's a difficult question to answer as color is subjective. It is not a dark, blue black color, nor is it light blue like the sky. It is a medium blue, leaning more towards the dark spectrum of color than the light. Not sure how helpful that was. I'd say slightly darker than the cap color.

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Unibene Parker Compatible Rollerball Refill 6 Pack, 0.5mm Fine Point - Black, Smooth Writing Replaceable German Gel Ink Pen Refills for IM Sonnet Urban Pens

Unibene Parker Compatible Rollerball Refill 6 Pack, 0.5mm Fine Point - Black, Smooth Writing Replaceable German Gel Ink Pen Refills for IM Sonnet Urban Pens

Product ID: 134381213

Details

Brand
Unibene
Item Weight
0.03 Kilograms
Number of Pieces
6
Style
F
UPC
673169578439

⏳800+ meters long-lasting ink capacity

🖊️0.5mm fine point for precise writing

🇩🇪German quick-drying, fade & water resistant ink

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R300

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Details

Brand
Unibene
Item Weight
0.03 Kilograms
Number of Pieces
6

Description

🖋️ Elevate your pen game—because your ideas deserve the smoothest flow.

SEAMLESS COMPATIBILITY - Fits all Parker rollerball pens, transforming your favorite pen into a powerhouse of smooth writing.
ENDURANCE THAT KEEPS UP - Write over 800 meters without a refill—perfect for marathon meetings and endless ideas.
PRECISION MEETS PROFESSIONALISM - Ultra-fine 0.5mm tip delivers crisp, clean lines for flawless notes and signatures.
INK THAT WORKS AS HARD AS YOU DO - German-engineered gel ink dries fast, resists smudges, and stays vivid under pressure.
EXECUTIVE QUALITY EVERYDAY VALUE - Premium metal shaft construction ensures leak-free, pressure-resistant performance at a smart price.

The Unibene Parker Compatible Rollerball Refill 6 Pack features a 0.5mm fine point with German-made quick-drying gel ink that resists fading and smearing. Designed to fit all Parker rollerball pens, these refills offer a smooth, scratch-free writing experience with a high-capacity cartridge capable of writing over 800 meters. Crafted with a durable metal shaft, they provide leak-resistant, pressure-proof performance ideal for professionals seeking reliable, long-lasting pen refills.

Specifications

ASIN	B07RK1YLKM
Best Sellers Rank	#32,362 in Office Products ( See Top 100 in Office Products ) #781 in Gel Ink Pens
Brand	Unibene
Brand Name	Unibene
Customer Reviews	4.0 out of 5 stars 983 Reviews
Ink Color	Black
Item Weight	0.03 Kilograms
Manufacturer	Unibene
Manufacturer Part Number	1
Number of Pieces	6
Point Type	Fine
Style	F
UPC	673169578439
Unit Count	6.0 Fluid Ounces

Reviews

A**R

17.01.2026

F**Z

27.12.2025

M**C

18.09.2025

A**Y

4.04.2026

A**R

29.03.2026

H**L

4.01.2026

A**L

19.04.2026

T**R

20.01.2025

S**R

6.03.2024

J**O

30.01.2026

ن**ي

2.05.2021

A**U

12.10.2023

C**R

11.11.2024

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