Mont Marte Fine Tip Waterbrush features a medium tip of 3 mm and is ideal for use while you are on the move You get an even flow of water via the tip of the water brush thanks to its pressure-sensitive barrel Waterbrush has durable taklon bristles that allow for delicate brush work Fine tip waterbrush is compatible with watercolour pencils and watercolour pans Unscrew the waterbrush top in a clockwise direction to open it