Good for calligraphy practice and everyday writing, these ink refills provide a smooth and consistent ink flow. Simply insert a new refill into your fountain pen, and continue your writing tasks without any hassle. Features -Color:Black -Material:Plastic -Size:5.00X0.50X0.50cm/1.97X0.20X0.20in -Inner Diameter:3.4mm -Ink Color:Black -Note: Not Erasable -Tailored fit: designed for fountain pens, these ink refills ensure a good fit and reliable performance, enhancing your writing experience -Large quantity: each pack contains ample supply ink refills, providing a generous supply that meets your daily writing and replacement needs, ideal for students and professionals -Excellent performance: these ink refills effectively enhance the functionality of your fountain pen, delivering smooth and consistent ink flow for an optimal writing experience -Easy replacement: simple and easy to use, these ink refills can be quickly replaced, making them good for on-the-go writing needs and busy schedules -Elegant design: the sleek and minimalist design of the ink refills adds a touch of elegance to your fountain pen, enhancing its overall appearance and feel Package list: Fountain Pen Ink Refills