Derwent waterbrush push button medium tip 3mm empty

Derwent Push Button Waterbrush compact, convenient to use especially when painting outdoors or urban sketching. It has a durable nylon tip that holds its pointed shape for a long time. The Derwent Push Button Waterbrush has an extremely large water tank, the flow of which can be easily controlled by pressing the button. Depending on your needs, harder, when you need more water, or more delicately if not enough. Round tip with a diameter of 3mm.