Uni UF-222-07 Erasable Rollerball Pen Ink Colour:Sky Blue rotring isograph College set comprises

rotring isograph College set comprises 3 isograph pens

Rigid black card cover allows note-taking without needing additional support

The extendable front plate has a self-feeding mechanism which stops when the pencil has reached a superb point

with attached clearing pin

Remember that this is a barrel only

Uni UF-222-07 Erasable Rollerball Pen Ink Colour:Sky Blue rotring isograph College set comprisesThe Uni Ball UF 222 Erasable rollerball uses a specially formulated ink, an upgrade on its predecessor the TSI, which changes from coloured to clear when heat is applied. Simply by rubbing the ink line with the cap of the pen, enough heat is generated to turn the ink clear, 'erasing' the line cleanly. The same pen can then rewrite over the erased lines. Erased lines will reappear if subjected to very low ( 18 C) temperatures. When erasing, the ink