Pens

Pens use ink cartridges and refills that work with compatible pens to leave permanent marks on items like cheques and official documents. In damp and greasy situations, pens with pressurized cartridges work. The service life of a pen barrel can be extended by reloading it with appropriate ink cartridges. Pens use ink cartridges and refills that work with compatible pens to leave permanent marks on items like cheques and official documents. In damp and greasy situations, pens with pressurized cartridges work. The service life of a pen barrel can be extended by reloading it with appropriate ink cartridges.