Pentel of America, Ltd. R100C pen, blue ink, medium, dozen

Pens with rolling ball tip

The Pentel R100-C is a capped roller ball pen that uses an exclusive Cushion Ball Tip designed to adjust to each user's writing pressure. It delivers blue ink through a conical tip in a medium line width. Each unit is sold as a single dozen for office or personal supply stock.

For daily writers needing consistent flow

This pen suits people who want a smooth rolling ball action that adapts to individual pressure without skipping. It is not for buyers who require a retractable mechanism or a finer line width than medium. It is also not for buyers who need a refillable barrel or an ergonomic grip section.

Cushion Ball Tip adjusts to pressure

The defining specification is the exclusive Cushion Ball Tip that fine tunes itself depending on how hard the user presses. This self-adjusting tip controls ink flow and line consistency across different writing styles. Buyers who prioritise that adaptive behaviour should select this model.