This set contains 6 markers with 07mm tips in shock yellow light shock red shock blue light shock green light shock black and shock white purethe beauty of using montana markers is that they provide a continuous flow of opaque acrylic paint which makes them ideal for overlaying solid layers of colourthey can also be watered down when applied to a surface producing a similar consistency and effect to watercolour these watery hues can then be worked into using a variety of pen nib thickn