--- product_id: 414384546 title: "erofa Hongdian Fountain Pen Ink Cartridges Black Color Set, Pack of 30 Ink Refill Cartridges, 3.4 mm Bore Diameter" brand: "erofa" price: "€ 32.50" currency: EUR in_stock: true reviews_count: 5 category: "Erofa" url: https://www.desertcart.hr/products/414384546-erofa-hongdian-fountain-pen-ink-cartridges-black-color-set-pack store_origin: HR region: Croatia --- # quick-dry formula 3.4mm bore diameter precision 30-pack ink refills erofa Hongdian Fountain Pen Ink Cartridges Black Color Set, Pack of 30 Ink Refill Cartridges, 3.4 mm Bore Diameter **Brand:** erofa **Price:** € 32.50 **Availability:** ✅ In Stock ## Summary > 🖋️ Elevate your pen game—never run dry on style or substance! ## Quick Answers - **What is this?** erofa Hongdian Fountain Pen Ink Cartridges Black Color Set, Pack of 30 Ink Refill Cartridges, 3.4 mm Bore Diameter by erofa - **How much does it cost?** € 32.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/414384546-erofa-hongdian-fountain-pen-ink-cartridges-black-color-set-pack) ## Best For - erofa enthusiasts ## Why This Product - Trusted erofa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** 3.4mm bore diameter ensures seamless compatibility with Hongdian and similar fountain pens. - • **Safe & Natural:** Crafted with neutral pH, non-toxic natural dyes for worry-free, eco-conscious writing. - • **Bulk Ink Supply:** 30 premium black cartridges to keep your creativity flowing without interruption. - • **Effortless Flow:** Consistent ink delivery guarantees a smooth, elegant glide every time you write. - • **Smudge-Free Writing:** Quick-dry ink formula locks in your words in seconds—no more messy smears. ## Overview The erofa Hongdian Fountain Pen Ink Cartridges Black Color Set offers 30 high-quality, 3.4mm bore diameter cartridges compatible with Hongdian and similar fountain pens. Featuring a quick-dry, neutral pH, and non-toxic ink formula, these cartridges provide smooth, smudge-free writing with consistent ink flow, making them an ideal choice for professionals who demand reliability and elegance in every stroke. ## Description These cartridges compatible with fountain pen takes 3.4mm cartridges such as Hongdian matte black forest fountain pen How to fill a fountain pen with cartridges: Insert the narrow end of the new cartridge into the black of section block with enough pressure to create a snug fit. The pin inside the section block will puncture the seal of the cartridges, allowing ink to flow into the section block. Screw the barrel on over the cartridge into the section block. Notice: It can take a while for the ink to fully saturate the pen, so don’t worry if it doesn’t start writing right away. You can swing the pen to make a few drops of ink coming out of the nib, so that it can flow easily. When you fill the pen at the first time, you can swing the pen to make a few drops of ink coming out of the nib, so that it can flow easily. Review: For its price a jewel! - A great everyday pen! Hard to find better at this price :) Review: ok - All OK ## Features - [ LARGER PACK ]: 30 pack of 3.4 mm bore diameter black ink cartridges ( compatible with fountain pens take 3.4mm cartridges such as hongdian) - [ DIMENSION ]: Length Appr 51mm; Cartridge Diameter Appr 4-7mm; bore diameter 3.4mm - [ NEUTRAL PH & NON-TOXIC ]: The ink has been carefully manufactured using only natural dyes giving the composition a neutral, natural, and non-toxic PH. - [ QUICK TO DRY ]: HongDian Designs ink takes only a few seconds to dry ensuring your important writing moments are not ruined by smudges or smears. - [ EASY TO WRITE ]: With no break in ink flow, enjoy a smooth and optimal writing experience as your fountain pen glides elegantly across paper. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B083RFB2M8 | | Best Sellers Rank | #42,464 in Office Products ( See Top 100 in Office Products ) #387 in Pen Refills | | Brand | erofa | | Brand Name | erofa | | Customer Reviews | 4.4 out of 5 stars 1,663 Reviews | | Ink Color | Black | | Item Weight | 60 Grams | | Item weight | 60 Grams | | Manufacturer | Hongdian | | Manufacturer Part Number | HDBIC30SETE | | Model Number | HDBLAINK30ED | | Number of Pieces | 30 | | Number of pieces | 30 | | Point Type | Medium | | Point type | Medium | | Style | Fountain | | Unit Count | 30 Count | | Unit count | 30 Count | ## Product Details - **Brand:** erofa - **Style:** Fountain - **Item weight:** 60 Grams - **Number of pieces:** 30 - **Manufacturer:** Hongdian ## Images ![erofa Hongdian Fountain Pen Ink Cartridges Black Color Set, Pack of 30 Ink Refill Cartridges, 3.4 mm Bore Diameter - Image 1](https://m.media-amazon.com/images/I/61UoXoYACTL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ For its price a jewel! *by "***" on 18 November 2022* A great everyday pen! Hard to find better at this price :) ### ⭐⭐⭐⭐⭐ ok *by J***R on 28 November 2023* All OK ### ⭐⭐⭐⭐⭐ Snel geleverd *by R***S on 22 May 2026* Netjes en snel geleverd, product voldoet aan de verwachtingen ## Frequently Bought Together - Hongdian Fountain Pen Ink Cartridges Black Color Set, Pack of 30 Ink Refill Cartridges, 3.4 mm Bore Diameter - Matte Black Forest Fountain Pen Extra Fine Nib Classic Design with Converter and Metal Box Set by Hongdian --- ## 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.hr/products/414384546-erofa-hongdian-fountain-pen-ink-cartridges-black-color-set-pack](https://www.desertcart.hr/products/414384546-erofa-hongdian-fountain-pen-ink-cartridges-black-color-set-pack) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-27*