1.Dual tips include 4mm chisel tip and 1mm fine tip in one pen, chisel tip lets you effectively get your point across, fine tip lets you create precise lines.
2.Special oil-based ink with Quick-drying, UV-resistant, water-proof formula, Bold color for high-visibility drawing.
3.Quality fiber tip, not easy to be deform, guarantee smooth writing.
4.With our Unique Design humanizated dimensions,could give you the comfortable holding.
5.Comfort barrel for optimal control, precise highlights and clear, legible drawings.