---
product_id: 621370568
title: "Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue)"
brand: "aiyiben"
price: "€ 41.62"
currency: EUR
in_stock: true
reviews_count: 5
category: "Aiyiben"
url: https://www.desertcart.fi/products/621370568-rollerball-refill-4-37-inches-roller-ball-fine-point-0
store_origin: FI
region: Finland
---

# 4.37-inch precision length 0.5 mm fine rollerball tip German-engineered smooth ink flow Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue)

**Brand:** aiyiben
**Price:** € 41.62
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) by aiyiben
- **How much does it cost?** € 41.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/621370568-rollerball-refill-4-37-inches-roller-ball-fine-point-0)

## Best For

- aiyiben enthusiasts

## Why This Product

- Trusted aiyiben brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Metal Build:** Durable metal casing ensures lightweight comfort and premium feel
- • **Long-Lasting Value:** Pack of 6 refills keeps your favorite pens ready and reliable
- • **Precision Perfected:** 0.5 mm fine point for crisp, professional writing every time
- • **Effortless Smoothness:** German gel ink dries quickly with consistent flow—no smudges, no leaks
- • **Universal Compatibility:** Fits many interchangeable ballpoint pens to extend your pen’s lifespan

## Overview

This pack of six 4.37-inch rollerball refills features a precise 0.5 mm fine point and premium German gel ink that dries quickly and flows smoothly. Crafted with a durable metal body, these blue ink refills are compatible with many ballpoint pens, offering a reliable, long-lasting writing experience ideal for office, school, or home use.

## Description

Good metal refills: The high-quality ink ensures even writing smoothness, the ink dries quickly with a constant ink flow and does not seep out. It is suitable for many ballpoint pen refills. Applications: Refills are suitable for offices, businesses, schools, apartments and hotels. Lightweight and portable, easy to carry. EXPENSION OF EXPENSIVE PENS If your expensive pen ink is used up and does not need to be thrown away, this is a good choice. The package contains 6 refills that you can use. Specification: Quantity: 6 packs Colour: black ink. Material: metal body. Midpoint: 0.5 mm. Length: 4.37 inches / 11.1 cm. Diameter: 0.236 inches / 0.6 cm. Package includes: 6 x ballpoint pen refills.

Review: Great item, works well
Review: Funzionano perfettamente

## Features

- Size: the length of the refill is approx. 11.1 cm. The diameter of the ink reservoir is 0.6 cm (0.23 inches) - the centre of 0.5 mm German gel ink.
- Quantity:6 pen overhauls, enough to share with your friends.
- Quality: metal material, light and smooth; The ink dries quickly, the ink flow is constant and does not seep out.
- SUITABLE FOR LOCATION Metal ballpoint pens are suitable for office, shop, school and home.
- Scope of Application Many interchangeable ballpoint pens are compatible and can extend the life of your favorite expensive pen.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AIYIBEN |
| Brand | AIYIBEN |
| Model Number | Ink Pen Refills 437 |
| Colour | blue |
| Material | Metal |
| Size | 6 Stück (1er Pack) |
| Point Type | Medium |
| Ink Colour | Blue |
| Manufacturer Part Number | Ink Pen Refills 437 |
| Manufacturer | AIYIBEN |

## Product Details

- **Brand:** AIYIBEN
- **Style:** Ballpoint pen
- **Item dimensions L x W x H:** 11.1 x 0.6 x 0.6 Centimeters
- **Point Type:** Medium
- **Item Weight:** 34 Grams

## Images

![Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) - Image 1](https://m.media-amazon.com/images/I/31Fdy4MspbL.jpg)
![Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) - Image 2](https://m.media-amazon.com/images/I/31JZvmZAurL.jpg)
![Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) - Image 3](https://m.media-amazon.com/images/I/31i6zegDViL.jpg)
![Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) - Image 4](https://m.media-amazon.com/images/I/31lpYC5I2gL.jpg)
![Rollerball Refill 4.37 Inches, Roller Ball Fine Point 0.5 mm, German Ink Refill Pack with Interchangeable Ballpoint Pen Refills Medium Point (Pack of 6) (Blue) - Image 5](https://m.media-amazon.com/images/I/41fnuEtueUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***D on 15 November 2025*

Great item, works well

### ⭐⭐⭐⭐⭐ Review
*by F***A on 19 December 2025*

Funzionano perfettamente

### ⭐⭐⭐⭐⭐ Review
*by S***O on 6 October 2024*

These 4.37 inch Rollerball Pen Refills offer great value for anyone looking to keep their favorite pens going strong. The 0.5mm fine point delivers smooth, precise writing with every stroke, and the black ink flows consistently without any skipping or blotching. The refills are easy to replace, and the pack provides an excellent quantity for the price, making it cost-effective for those who write a lot or go through refills quickly. The quality is comparable to higher-priced refills, which makes this an even better deal. If you're a fan of rollerball pens and want to stock up on reliable, affordable refills, this pack is a perfect choice.

## Frequently Bought Together

- 4.37 inch Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, Blue Ink Refill Pack of Replaceable Pen Refills Medium Point (6 Pack)
- Pemmeed Rollerball Pen Refills Smooth Writing German Gel Ink,Parker Waterman Compatible Pen Refills Metal Standard Size Fine Point Black Ink Pack of 10 (Black)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-04*