---
product_id: 333835025
title: "L: 2.75inch 7cm 70mm, 0.7mm Tip, Liquid Ballpoint Pen Refills Compatible with Crystal Pen and Screwdriver Pen, German Ink，Suitable for Liquid Sand Pen,Tool Pen (Blue 2PCS)"
brand: "caoduren"
price: "KD 2.89"
currency: KWD
in_stock: true
reviews_count: 3
url: https://www.desertcart.com.kw/products/333835025-l-2-75inch-7cm-70mm-0-7mm-tip-liquid-ballpoint
store_origin: KW
region: Kuwait
---

# 70mm precision length 0.7mm smooth tip Premium German ink L: 2.75inch 7cm 70mm, 0.7mm Tip, Liquid Ballpoint Pen Refills Compatible with Crystal Pen and Screwdriver Pen, German Ink，Suitable for Liquid Sand Pen,Tool Pen (Blue 2PCS)

**Brand:** caoduren
**Price:** KD 2.89
**Availability:** ✅ In Stock

## Summary

> 🖋️ Upgrade your pen game with precision and style!

## Quick Answers

- **What is this?** L: 2.75inch 7cm 70mm, 0.7mm Tip, Liquid Ballpoint Pen Refills Compatible with Crystal Pen and Screwdriver Pen, German Ink，Suitable for Liquid Sand Pen,Tool Pen (Blue 2PCS) by caoduren
- **How much does it cost?** KD 2.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/333835025-l-2-75inch-7cm-70mm-0-7mm-tip-liquid-ballpoint)

## Best For

- caoduren enthusiasts

## Why This Product

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

## Key Features

- • **Durable Metal Build:** Robust metal casing ensures longevity and reliability, making every refill a smart investment.
- • **Versatile & Gift-Ready:** Ideal for business, promotional gifts, or upgrading your favorite liquid sand and tool pens.
- • **Long-Lasting Ink Formula:** High-quality German ink designed to write smoothly and stay vibrant for up to 2 years.
- • **Precision Fit, Perfect Flow:** 70mm refill length engineered for seamless compatibility with Crystal and Screwdriver pens.
- • **Effortless Writing Experience:** 0.7mm medium tip delivers smooth, consistent ink flow for professional note-taking and signing.

## Overview

CaoDuRen's 70mm liquid ballpoint pen refills feature a 0.7mm tip and premium German ink, housed in durable metal casings. Designed for Crystal, Screwdriver, and liquid sand pens, these refills ensure smooth, long-lasting writing performance and perfect compatibility, making them a must-have for professionals who value quality and style.

## Description

CaoDuRen L: 2.75inch 7cm 70mm, 0.7mm Tip, Liquid Ballpoint Pen Refills Compatible with Crystal Pen and Screwdriver Pen, German Ink，Suitable for Liquid Sand Pen,Tool Pen (Blue 2PCS)

## Features

- About this item
- 1.2.75inch 7cm 70mm length, 0.7mm Tip, Liquid Ballpoint Pen Refills for Crystal Pen and Screwdriver Pen, German Ink，Suitable for liquid sand Pen,Tool Pen and other Stylus crystal Pen (Blue 2PCS)     2. Quality: Refill made of metal material, economical and durable. High-quality writing ink, 0.7mm medium-sized ballpoint pen nib, which can flow freely, writing more smoothly and lasting longer. Can be stored for 1 to 2 years     3. Please note: Before purchasing, Please measure the length of your refill first. Make sure that our refill fits your pen.This is our refill size ,length 2.75 inch / 70 mm. The plastic top has threads and screws.     4.Product use: writing, business gifts, advertising and promotional gifts, etc.     5.If you are not satisfied with our refill, please contact us immediately and we will modify it until you are satisfied.

## Images

![L: 2.75inch 7cm 70mm, 0.7mm Tip, Liquid Ballpoint Pen Refills Compatible with Crystal Pen and Screwdriver Pen, German Ink，Suitable for Liquid Sand Pen,Tool Pen (Blue 2PCS) - Image 1](https://m.media-amazon.com/images/I/31GKNYV9yJS.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Nice writing pen refills
  

*by C***N on Reviewed in the United States on June 4, 2022*

The refills write perfectly. The ink does not last very long, but the writing quality is much more important

### ⭐⭐⭐⭐⭐ 







  
  
    Perfect fit if you order the correct size.
  

*by C***H on Reviewed in the United States on January 29, 2022*

These pen refills work perfect for this odd pen I have.

### ⭐⭐⭐⭐⭐ 







  
  
    Awesome
  

*by E***R on Reviewed in the United States on February 17, 2022*

Works

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**Shop now:** [https://www.desertcart.com.kw/products/333835025-l-2-75inch-7cm-70mm-0-7mm-tip-liquid-ballpoint](https://www.desertcart.com.kw/products/333835025-l-2-75inch-7cm-70mm-0-7mm-tip-liquid-ballpoint)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-23*