---
product_id: 255114814
title: "4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Black)"
brand: "aiyiben"
price: "$20.10"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/255114814-4-37-rollerball-pen-refills-roller-ball-fine-point-0
store_origin: US
region: United States of America
---

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

**Brand:** aiyiben
**Price:** $20.10
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Your Legacy with Every Stroke!

## 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) (Black) by aiyiben
- **How much does it cost?** $20.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/255114814-4-37-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

- • **Perfect Fit:** Compatible with Parker and Waterman pens.
- • **Share the Love:** 6-pack for you and your colleagues.
- • **Quick-Drying Ink:** No smudges, just clean, crisp lines.
- • **Sustainable Choice:** Extend the life of your favorite pens.
- • **Elevate Your Writing:** Experience the smooth glide of German ink.

## Overview

The AIYIBEN 4.37'' Rollerball Pen Refills offer a premium writing experience with their 0.5mm fine point German ink. This 6-pack ensures you have enough refills to keep your favorite pens in action, perfect for professionals who value quality and sustainability. Designed for compatibility with Parker and Waterman pens, these metal refills provide a smooth, quick-drying ink flow, making them ideal for office, business, and personal use.

## Description

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

## 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 ballpoint pens are compatible and can extend the life of your favorite expensive pen.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AIYIBEN |
| Brand | AIYIBEN |
| Product Dimensions | 11.1 x 0.61 x 0.61 cm; 34 g |
| Colour | black |
| Material Type | Metal |
| Number of Items | 1 |
| Size | 6 Count (Pack of 1) |
| Point Type | Medium |
| Ink Colour | Black |
| Manufacturer Part Number | Ink Pen Refills 437 |
| Item Weight | 34 g |

## Product Details

- **Brand:** AIYIBEN
- **Style:** Ballpoint
- **Item dimensions L x W x H:** 11.1 x 0.6 x 0.6 centimetres
- **Point type:** Medium
- **Item weight:** 34 Grams

## Images

![4.37'' Rollerball Pen Refills, Roller Ball Fine Point 0.5mm, German Ink Refill Pack of Replaceable Pen Refills Medium Point(6 Pack) (Black) - Image 1](https://m.media-amazon.com/images/I/51dJlwgPXBL.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, Black Ink Refill Pack of Replaceable Pen Refills Medium Point (6 Pack)
- Black Ink Refills (10pcs), Replaceable Pens Refills, 1mm Medium Tip - Black
- 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)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/255114814-4-37-rollerball-pen-refills-roller-ball-fine-point-0](https://www.desertcart.us/products/255114814-4-37-rollerball-pen-refills-roller-ball-fine-point-0)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-04-23*