The product is made of materials that ensure durability and resistance to deformation. The innovative design of the bent tip provides enhanced comfort and precision while writing. The set includes pen tips and pen rod, allowing for various writing styles. The interchangeable nibs are easy to replace, making cleaning and maintenance a breeze. Features -Color:Assorted Color -Material:Wood, steel -Size(pen pole):15.00X1.20X1.20cm/5.89X0.47X0.47in -Size(pen nib):4.00X0.70X0.20cm/1.57X0.28X0.08in -Crafted from materials, this set of writing pens is designed to withstand wear and tear, ensuring durability and resistance to deformation. -The unique bent tip design of these pens provides a comfortable writing experience, allowing for a . -With pen tips and pen rod included in this watercolor pen set, you'll have everything you need to create a wide range of artistic effects and styles. -The delicate head pen tips of these pens are specially designed to produce smooth and clear lines, making them ideal for calligraphy, lettering, and other detailed work. -Featuring an irregular rod design, these pens offer a stable and secure grip, allowing you to write or draw with precision control. Package list: 5 poles 25 nibs