Description The Kokuyo Mark Dual Tone highlighter embeds two chisel tips with two different colours, i.e. one with bright colour and one with softer tone of the same colour, into one end of the pen barrel. This clever design easily converts two traditional higher pens into one making you switching between colours more conveniently. The Kokuyo Mark Dual Tone grey type highlighter embeds two chisel tips with two different colours, i.e. one with bright colour and one grey colour, into one end of the pen barrel.
