10-Piece Black Fountain Pen Ink Refill Set (3.4mm caliber)

⚫ 10-Piece Fountain Pen Refill Ink Converter Pump Cartridges in Black

💍 Enhance your writing experience with this set of ten high-quality fountain pen refill ink cartridges. Designed for both versatility and efficiency, these ink absorbers come in two distinct specifications: 2.6mm and 3.4mm calibers, ensuring compatibility with a wide range of fountain pens.

🎯 To make the best choice for your writing instruments, it’s highly recommended to measure the diameter of your current ink absorber or ink bag. This will guide you in selecting the appropriate size that fits comfortably into your pen, maximizing functionality and performance.

👑 These ink cartridges not only deliver a smooth and consistent flow of black ink, perfect for elegant writing and detailed note-taking, but they also contribute to the longevity of your fountain pen. Experience the joy of effortless writing with every stroke!