---
product_id: 76089303
title: "Cross 8521 Rolling Ball Pen Refill (Blue)"
brand: "cross"
price: "C$766"
currency: NIO
in_stock: true
category: "Cross"
url: https://www.desertcart.ni/products/76089303-cross-8521-rolling-ball-pen-refill-blue
store_origin: NI
region: Nicaragua
---

# Waterproof blue ink Medium 0.5mm bullet tip Extreme temp resistant Cross 8521 Rolling Ball Pen Refill (Blue)

**Brand:** cross
**Price:** C$766
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your writing game with the refill that keeps up with your hustle.

## Quick Answers

- **What is this?** Cross 8521 Rolling Ball Pen Refill (Blue) by cross
- **How much does it cost?** C$766 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/76089303-cross-8521-rolling-ball-pen-refill-blue)

## Best For

- cross enthusiasts

## Why This Product

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

## Key Features

- • **Universal Cross Fit:** Fits Classic Century, Click, and Spire refill systems for effortless pen upgrades.
- • **Waterproof Ink Formula:** Write confidently—rain or shine, your notes stay crisp and clear.
- • **Authentic Cross Quality:** Genuine refill engineered for seamless compatibility across all Cross pens.
- • **Smooth Medium Point Writing:** Experience flawless 0.5mm precision with every stroke.
- • **Extreme Temperature Durability:** Reliable performance from freezing cold to scorching heat—never miss a word.

## Overview

The Cross 8521 Rolling Ball Pen Refill in blue ink delivers smooth, medium-point writing with a 0.5mm bullet tip. Designed for all Cross pen models, it features waterproof ink and durability against extreme temperatures, ensuring consistent performance in any environment. This authentic refill guarantees a premium writing experience favored by professionals worldwide.

## Description

Cross 8521 Rolling Ball Pen Refill (Blue) | Professional-Grade Refill for Effortless Writing and Journaling, Bold Gel Ink, Smooth Laydown, Quick-Drying Ink : desertcart.in: Office Products

## Features

- Blue Ink
- Medium Point
- Authentic Cross Refill

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0006HWMEY |
| Best Sellers Rank | #1,601 in Office Products ( See Top 100 in Office Products ) #352 in Pens & Refills |
| Brand Name | Cross |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,248) |
| Global Trade Identification Number | 00073228080239, 00073228085210 |
| Ink Colour | Blue |
| Item Dimensions | 50 x 5 x 50 Millimeters |
| Item Weight | 5.5 Grams |
| Manufacturer | Cross |
| Model number | 8521 |
| Number of Pieces | 1 |
| Package Size Name | Individually |
| Point Type | Medium |
| Style Name | Cross |
| UPC | 640206483919 073228085210 641438694401 800011174109 012021001607 809301914289 787269243903 799198883846 799198251065 741655474944 641438142933 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Cross
- **Item Weight:** 5.5 Grams
- **Item dimensions L x W x H:** 50 x 5 x 50 Millimeters
- **Number of Pieces:** 1
- **Style:** Cross

## Images

![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 1](https://m.media-amazon.com/images/I/311UGzSVH5L.jpg)
![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 2](https://m.media-amazon.com/images/I/41lX5CuVMyL.jpg)
![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 3](https://m.media-amazon.com/images/I/21jzDrcE0IL.jpg)
![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 4](https://m.media-amazon.com/images/I/41lNUhqvKaL.jpg)
![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 5](https://m.media-amazon.com/images/I/41PGe0owbNL.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Does this refill work for sheaffer gel rolling ball pen?**
A: Yes

**Q: Cross 8521 suit for 8523**
A: Yes, it will...

**Q: Can we use this for mont blanc pens**
A: Probably not

**Q: Is this refill work in Cross Edge Roller pen**
A: yes sir !

## Frequently Bought Together

- Cross Gel Ink Rolling Ball Refill for Selectip Pens, Pack of 1
- Cross Selectip Gel Rollerball Pen Refill, Medium Point, Black, 2-Pack (8523-2)
- Cross Selectip Gel Rollingball Pen Refill, Black, 1 per Card (8523)

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**Shop now:** [https://www.desertcart.ni/products/76089303-cross-8521-rolling-ball-pen-refill-blue](https://www.desertcart.ni/products/76089303-cross-8521-rolling-ball-pen-refill-blue)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-09-29*