Introducing our Fountain Pen Spare Nibs Replacement Set, perfect for calligraphy and manga enthusiasts. With 30 pieces of nibs in various sizes and models, you'll have plenty of options for daily replacements. These stainless steel nibs are durable and produce uniform ink flow, allowing for flexible and variable thickness lines. Measuring at 2.60X0.70X2.00cm, they are easy to write with and suitable for drawing, sketching, lithography, and cross-hatching. Rest assured, our high-quality nibs are long-lasting and resistant to deformation. If you have any questions or concerns, feel free to contact us. We offer a 48-hour response time and a 7-day unconditional return policy with a full refund. Upgrade your calligraphy experience with our reliable and versatile nib set today!