Derwent Graphik Line Makers can be used for drawing, sketching, and illustration. You can create everything from a simple doodle to an intricate design with these delightful fine liners. It is easy to build tone with these pens as they behave like graphic pencils. Derwent Graphik Line Makers lay down smooth, free-flowing lines. They feature rich waterbased pigment ink (available in black, graphite, or sepia) and Japanese nibs in a range of sizes. Graphik Line Makers are quick-drying, lightfast, and solvent-free.