--- product_id: 76089303 title: "Cross 8521 Rolling Ball Pen Refill (Blue)" brand: "cross" price: "45.93 DT" currency: TND in_stock: true reviews_count: 13 category: "Cross" url: https://www.desertcart.tn/products/76089303-cross-8521-rolling-ball-pen-refill-blue store_origin: TN region: Tunisia --- # Waterproof blue ink Medium 0.5mm bullet tip Extreme temp resistant Cross 8521 Rolling Ball Pen Refill (Blue) **Brand:** cross **Price:** 45.93 DT **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?** 45.93 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 Product Description It is a blue ink medium point authentic Cross refill that fits in all pens that use Cross refills. This roller ball pen features a medium point with additional lubrication on the nib for smooth writing. The medium point ink nib has a bullet tip for easy writing. This blue refill is perfect for your Cross Roller Ball pen. The Cross pen refills are an authentic Cross product with compatibility for various Cross pens. The Blue Ink refill is the perfect way to keep writing, even in extreme conditions and large amounts of heat or cold. Cross pens are a favorite among many fountain pen users. and offer a smooth writing experience with medium point size. They are styled to fit the Cross click refill system, Cross Classic Century refill system, and Cross Spire refill system. This refill is also waterproof (perfect for the pool!) Made with all-around high-quality components, this refill is authentic and will help keep your pen running smoothly. Featuring a medium point for easy writing, it is Blue ink so you can write in any color. This refill comes with its own blue ink cartridge to complete your pen. It is perfect for writing on nearly every type of paper and with any type of pen! The Cross Refill features a 5-mm medium point refill tip that is safely sealed inside the inner tube when not in use. This ensures that if you are left without a refill, your pen can still be used! Review: Refill best and cheap. - Very good product and good service, but some time delivery boys playing the dirty game, other rest service ok. Review: Aa - Superb ## Features - Blue Ink - Medium Point - Authentic Cross Refill ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0006HWMEY | | Best Sellers Rank | #1,582 in Office Products ( See Top 100 in Office Products ) #334 in Pens & Refills | | Brand | Cross | | Brand Name | Cross | | Customer Reviews | 4.2 out of 5 stars 16,339 Reviews | | Global Trade Identification Number | 00073228080239, 00073228085210 | | Ink Colour | Blue | | Item Dimensions | 50 x 5 x 50 Millimeters | | Item Weight | 5.5 Grams | | Item dimensions L x W x H | 50 x 5 x 50 Millimeters | | Manufacturer | Cross | | Model number | 8521 | | Number of Pieces | 1 | | Package Size Name | Individually | | Point Type | Medium | | Style | Cross | | 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/6161uD8I6kL.jpg) ![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 2](https://m.media-amazon.com/images/I/718RVUJzIVL.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/71-KBkvTP1L.jpg) ![Cross 8521 Rolling Ball Pen Refill (Blue) - Image 5](https://m.media-amazon.com/images/I/61s3ADI64xL.jpg) ## 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 ! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Refill best and cheap. *by P***L on 23 March 2026* Very good product and good service, but some time delivery boys playing the dirty game, other rest service ok. ### ⭐⭐⭐⭐⭐ Aa *by A***B on 26 January 2026* Superb ### ⭐⭐⭐⭐ Perfect flow *by P***R on 14 July 2025* Why did you pick this product vs others?: Perfect ## 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) --- ## 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.tn/products/76089303-cross-8521-rolling-ball-pen-refill-blue](https://www.desertcart.tn/products/76089303-cross-8521-rolling-ball-pen-refill-blue) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-07*