The Schmidt Roller Refill offers a smooth writing experience and is ideal for gel pens. Available in Blue and Black ink, this high-quality pen refill ensures consistent ink flow and precision writing. Designed for durability, it is perfect for both professional writing and everyday use. Whether you are replacing an old gel pen refill or stocking up on refills, the refill is a must-have for your stationery collection. Make sure your pen always delivers smooth and reliable writing with this high-performance refill.