SK Silver (Ballpoint Pen for Rubber)
<Product features>
*Not subject to EU regulations.
* Bright silver marks can be made on rubber (vulcanized and non₋vulcanized).
* Smooth writing.
*The knock-on type ensures that the cap will not fall off.
< Cautions>
* Avoid extremely low or high temperatures when storing ballpoint pens.
* Cannot write on hard, smooth surfaces such as glass, metal, and plastic.
