Welcome to our store! This listing is for a set of 3 replacement nibs for the Dell PN579X PN556W stylus pen. These nibs are original replacements and are compatible with the mentioned stylus models. The nibs are designed to provide high sensitivity, giving you a precise writing and drawing experience. They are highly responsive and sensitive, allowing you to write without any limitations. The fine rubber tip of the nibs is clean and shiny, ensuring it won't scratch your screen. It also reduces friction, making it easier to glide across the screen. Installing the nibs is easy, as no tools are required. Simply replace or remove the nib by hand. The standard nibs are made of durable ABS material, ensuring their durability and longevity. Package includes: - 3 x Replacement Nibs 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.