Derwent waterbrush push button large chisel 10mm 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. Derwent Push Button Waterbrush has a large large water tank, data flow can be easily changed to a button. Depending on your needs, stronger when you need more water or more delicately if you don't have enough. A flat tip with a width of 10mm.