--- product_id: 561988157 title: "15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15]" brand: "fiinix" price: "R107" currency: ZAR in_stock: true reviews_count: 6 url: https://www.desertcart.co.za/products/561988157-15-x-uni-ball-fanthom-refills-write-erase-and-re store_origin: ZA region: South Africa --- # 15-pack refills for long-lasting use Thermo-sensitive erasable ink tech 0.7mm medium nib for precise writing 15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] **Brand:** fiinix **Price:** R107 **Availability:** ✅ In Stock ## Summary > 🖋️ Erase the past, rewrite your future with Uni-Ball Fanthom Refills! ## Quick Answers - **What is this?** 15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] by fiinix - **How much does it cost?** R107 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/561988157-15-x-uni-ball-fanthom-refills-write-erase-and-re) ## Best For - fiinix enthusiasts ## Why This Product - Trusted fiinix brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits both Uni-Ball Fanthom & Signo pens—upgrade your favorite writing tools instantly. - • **Blue Ink That Stands Out:** Vibrant blue gel ink ensures your ideas pop on every page, making your work impossible to ignore. - • **Eco-Smart & Cost-Effective:** Refill your pens 15 times over—save money and reduce plastic waste effortlessly. - • **Precision Meets Performance:** 0.7mm medium nib delivers smooth, consistent lines for professional notes and sketches. - • **Write, Erase, Re-Write Magic:** Thermo-sensitive ink lets you correct on the fly—no mess, no waste. ## Overview This 15-pack of Uni-Ball Fanthom refills features innovative thermo-sensitive erasable blue gel ink with a 0.7mm medium nib, compatible with Uni-Ball Fanthom and Signo pens. Designed for smooth writing and effortless corrections, these refills extend your pen’s life while reducing waste and cost—perfect for professionals and students who demand precision and flexibility. ## Description The Uni-Ball Refill is a truly unique writing instrument. It employs ‘Thermo Sensitive Ink’ technology that enables the ink to be erased and be re-written over - Write, Erase, Re-Write! These refills are compatible with both the Uni-Ball Fanthom as well as the Uni-Ball Signo range of pens ensuring a quality writing performance with market leading erasability. The ink is erased with the cap or the end of the pen - there's an eraser on top of the cap of the pen or at the end of the pen. No more need for correction fluids, messy crossings out or thrown out paper; this is the perfect pen for students and teachers alike. The refills are easy to use – simply insert into an open pen to start writing immediately. These refills make your pens last much longer and are much more cost effective than buying a new pen every time one runs out. This pack contains 15 of Uni-Ball's innovative Thermo Sensitive refills each with a Medium 0.7mm nib. Specifications: • Manufacturer: Mitsubishi Pencil Co UK Ltd • Brand: Uni-Ball • Product Type: Erasable Pen Refills • Ink Colour: Blue • Special Feature: Thermo Sensitive Erasable Ink • Nib Size: 0.7mm • Nib Type: Stainless Steel tip, Tungsten Carbide ball • Refill Dimensions (approximate): 120 x 60 x 70 mm (L x W x D) • Quantity: Set of 15 Refills ## Features - Write, Erase, Re-Write - these Uni-Ball refills employ ‘Thermo Sensitive Ink’ technology that enables the ink to be erased and be re-written over - Quality writing performance and market leading erasability - The refills are compatible with the Uni-Ball Fanthom and the Uni-Ball Signo range of pens - No more need for correction fluids, messy crossings out or thrown out paper; this is the perfect pen refill for students and teachers alike - Make your pens last longer and be more cost effective with these refills rather than buying a new pen every time one runs out - This pack contains 15 of Uni-Ball's innovative Thermo Sensitive refills each with a Medium blue 0.7mm nib ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0C2ZQ85TG | | Best Sellers Rank | 189,936 in Stationery & Office Supplies (See Top 100 in Stationery & Office Supplies) 1,770 in Pen Refills | | Brand Name | Fiinix | | Country Of Origin | China | | Customer Reviews | 3.9 3.9 out of 5 stars (16) 3.9 out of 5 stars | | Ink Colour | Blue | | Item Weight | 50 Grams | | Manufacturer | Fiinix | | Manufacturer Part Number | F41/1849 | | Number Of Pieces | 15 | | Package Size Name | Pack of 15 | | Point Type | Medium | | Product Warranty | 1 year | | Style | Gel | | Unit Count | 15.0 count | ## Product Details - **Brand:** Fiinix - **Ink colour:** Blue - **Style:** Gel - **Point type:** Medium - **Item weight:** 50 Grams ## Images ![15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] - Image 1](https://m.media-amazon.com/images/I/61xD40TNSEL.jpg) ![15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] - Image 2](https://m.media-amazon.com/images/I/51WfYkMvk2L.jpg) ![15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] - Image 3](https://m.media-amazon.com/images/I/41ldh+tZ+tL.jpg) ![15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] - Image 4](https://m.media-amazon.com/images/I/51ey6ba4z9L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Value for money *by on Reviewed in the United Kingdom 22 July 2025* Great pens , my son is very happy with these for school. ### ⭐⭐⭐⭐⭐ Great work well *by on Reviewed in the United Kingdom 22 June 2024* Ideal for replacement ### ⭐⭐⭐ A lot for your money. Good value *by on Reviewed in the United Kingdom 12 July 2024* The first one ran out soon and had been scratchy. The next one seems ok but don’t know how long it will last. ## Frequently Bought Together - 15 x Uni-Ball Fanthom Refills | Write, Erase & Re-Write with The Thermo-Sensitive Erasable Ink | Compatible with Fanthom & Signo Erasable Gel Pens | 0.7mm Medium Point Nib, Blue [Pack of 15] - uni-ball URN-181-07 Erasable Rollerball Gel Pens. Premium 0.7mm Ballpoint Tip for Super Smooth Writing, Drawing & Colouring. Easy-Retract Eraser for Secure and Stable Rubbing Out. 2 + 3 Refills 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.co.za/products/561988157-15-x-uni-ball-fanthom-refills-write-erase-and-re](https://www.desertcart.co.za/products/561988157-15-x-uni-ball-fanthom-refills-write-erase-and-re) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-07-06*