Designed for both beginners and professionals, these marker pen replacement tips are easy to install and use. They fit seamlessly into your existing markers, allowing you to continue your work without interruption. The fine tip design ensures detailed and accurate lines, making them proper for intricate designs and detailed illustrations. Features -Color:White -Material:Nylon -Size:2.50X0.30X0.30cm/0.98X0.12X0.12in -excellent nylon: made from excellent nylon, these replacement nibs are designed to be Long-lasting and resistant to wear, ensuring long-term use -Versatile usage: these nibs are suitable for various marker pens and can be used for writing, drawing, and marking, making them ideal for multiple purposes -Easy replacement: the nibs can be quickly and easily inserted into pen, providing a convenient replacement option -Lightweight design: these nibs are lightweight and compact, making them easy to carry and use in any location -Precision craftsmanship: the replacement nibs are meticulously crafted to ensure they provide a consistent and long-lasting performance Package list: 50 replacement refill