The Tombow Dual Brush Pen is a marker with two tips: the fine tip can be used for the thin lines on your stencil. The second tip is thicker and can be used for colouring in larger areas. Both tips are connected to the same reservoir, so you will not notice any difference in colour between the two tips. The Tombow Dual Brush Pens are water-based and are odourless, non-bleed, non-toxic and acid free. The Tombow 6 Dual Brush Pen Primary Set contains the following colours:
