---
product_id: 300827546
title: "4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Blue)"
brand: "aiyiben"
price: "C$1272"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/300827546-4-37-rollerball-pen-refills-roller-ball-fine-point-0
store_origin: NI
region: Nicaragua
---

# 4.37'' precision length Smooth blue German gel ink 0.5mm fine rollerball tip 4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Blue)

**Brand:** aiyiben
**Price:** C$1272
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Blue) by aiyiben
- **How much does it cost?** C$1272 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/300827546-4-37-rollerball-pen-refills-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

- • **Effortless Flow:** German gel ink dries fast with no smudges or oozing
- • **Sleek & Durable:** Metal body ensures lightweight yet sturdy refill performance
- • **Universal Upgrade:** Fits Parker & Waterman rollerball pens—extend your favorite pen’s life
- • **Precision Perfected:** 0.5mm fine point for crisp, professional writing
- • **Share the Smoothness:** 6-pack refill set—enough to keep you and your colleagues writing in style

## Overview

This 6-pack of 4.37-inch metal rollerball pen refills features a 0.5mm fine point with premium German gel ink in blue. Designed for Parker and Waterman compatible pens, these refills deliver quick-drying, consistent ink flow without smudging or oozing. Lightweight and durable, they’re perfect for professionals seeking to extend the life of their favorite pens while maintaining a sleek, polished writing experience.

## Description

4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Blue)

## Features

- Size: The length of the refill is about 4.37 inches / 11.1 cm, The diameter of the ink resevoir is 0.24 inch / 0.6 cm，the midpoint of 0.5 mm German gel ink. Fits Parker Compatible Rollerball pens and Waterman Compatible Rollerball Pen. Before buying, please double check whether the specifications are suitable for your pen.
- Quantity:6 rollerball refits, enough for you to share with your friends.【Please note that this product is not suitable for CROSS and Mont Blanc pens】
- Quality: metal material, light and smooth; Ink drying quickly, ink flow consistent, will not ooze.
- Suitable for site: metal rollerball refits are suitable for office, business, school and home.
- Scope of application: Many replaceable rollerball 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 |
| Product Dimensions | 11.1 x 0.61 x 0.61 cm; 34 g |
| Colour | blue |
| Material Type | Metal |
| Number of Items | 1 |
| Size | 1 count (Pack of 1) |
| Point Type | Medium |
| Ink Colour | Blue |
| Manufacturer Part Number | Ink Pen Refills 437 |
| Item Weight | 34 g |

## Product Details

- **Brand:** AIYIBEN
- **Style:** Gel
- **Item dimensions L x W x H:** 11.1 x 0.6 x 0.6 centimetres
- **Item weight:** 34 Grams
- **Number of pieces:** 6

## Images

![4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Blue) - Image 1](https://m.media-amazon.com/images/I/51LRJTcpXQL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## Questions & Answers

**Q: Does this fit Pierre Cardin 666?**
A: Not sure. They seem to fit a wide range of my pens so maybe.

**Q: Does this fit Cross 8523?**
A: Sorry to get back to you so late but looking at the 8523 the refill appears to be quite long around 3-3.5 “ the refill that I purchased was around 2” max

## 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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**Shop now:** [https://www.desertcart.ni/products/300827546-4-37-rollerball-pen-refills-roller-ball-fine-point-0](https://www.desertcart.ni/products/300827546-4-37-rollerball-pen-refills-roller-ball-fine-point-0)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-22*