---
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: "S$40"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/621370568-rollerball-refill-4-37-inches-roller-ball-fine-point-0
store_origin: SG
region: Singapore
---

# 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:** S$40
**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?** S$40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/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

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)

## 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/51LRJTcpXQL.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/41fnuEtueUL.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/51PK0jgyptL.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/51TYa8C26RL.jpg)

## Available Options

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

## 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 Singapore*
*Store origin: SG*
*Last updated: 2026-01-27*