If you’re having trouble visualizing how this mechanism works, we covered [Bill Hammack] explaining exactly how retractable ballpoint pens work which should make it perfectly clear. It’s ...

Unlike a traditional retractable pen ... in contrast to the permanent ink of ballpoint or rollerball pens, more erasable ink needs to be applied to the writing surface in order to appear.

The iconic four-colour retractable ballpoint from Bic is a tried and true classic. Forget holding various coloured pens in between your fingers like a mock wolverine, for colour-coded notes have ...

The iconic four-colour retractable ballpoint from Bic is a tried and true classic. Forget holding various coloured pens in between your fingers like a mock wolverine, for colour-coded notes have ...