Tombow MONO Twin Permanent Marker
Ink Type: Smear proof black ink which dries instantly.
Tip Style: 0.4mm fine tip on one end and 0.8mm broad bullet tip on the other.
Ideal Uses: These markers are great in combination with the Tombow Dual Brush pens. The very black lines can be colored over right away with Dual Brush pens and won't smear. Great for outlining and detailing.