A pyrography pen is a specialized tool used for the art of pyrography, which involves decorating wood or other materials with burn marks. The pen heats up to create designs by burning the surface, allowing artists to produce intricate patterns and images. These pens typically come with interchangeable tips, enabling different effects and line thicknesses. They can be used on various materials, including wood, leather, and paper. Pyrography is popular among hobbyists and artisans for creating personalized gifts, home decor, and unique artwork.