Fine watercolor brush with Faber-Castell tank 6ml Refillable brush with a 6 ml capacity tank. Fine round tip, ideal for making details or painting small areas. Made with quality synthetic fiber, it is highly recommended for multiple editing and illustration jobs, as well as a perfect complement for watercolorists and painters in general. Its hermetic tank favors the flow of liquid evenly to the tip. Easy cleaning by pressing the body. Its cap is perfect for scratching and scraping techniques. The tank contains 6 ml. Brand: Faber-Castell