Amaxiu 36 Pcs 3.4mm Black Ink Cartridges, Compatible with 3.4mm Bore Diameter Calligraphy Pen & Fountain Pen

Product description

• Convenient Than Bottle Ink Say goodbye to the hassle of ink bottles with our replacement black or blue ink cartridges. Refilling your fountain pen is now a breeze, as you can easily insert these cartridges without any messy cleanup. Designed for fountain pens that take 3.4mm cartridges, they provide a convenient and clean solution for all your writing needs.
• 36-piece Cartridge Set You will get 36-piece 3.4mm fountain pen ink cartridges. With these abundant replacement cartridges, your daily writing or backup is more than enough. These versatile cartridges fit a variety of needs, ensuring you never run out of ink when you need it most. Please ensure compatibility with your pen before purchasing.
• Quick-drying Our fountain pen cartridges feature quick-drying ink, ensuring your important writing moments stay neat and smudge-free. Within seconds, the ink dries, preventing any unwanted smudging or smudging. Each refill delivers deep, non-bleeding color whether you're writing letters or creating bold calligraphy strokes. Make sure your important writing moments are not ruined by smudges or smudges.
• Smooth Ink Flow Fountain pen refills provide consistent ink flow without interruptions or interruptions, allowing your pen to glide across the paper with ease. The result is smooth and precise lines that enhance your writing, making it both comfortable and enjoyable.
• Easy to Use We designed these pen cartridges to be user-friendly and hassle-free. Simply press the cartridge into the refillable pen and you'll hear a click confirming successful installation. No complicated steps or frustrations, just simple and convenient refills that let you focus on writing.