pen caps
- Sep- 2024 -26 SeptemberDH NEWS
Know why do pens have holes in the caps
You’ve probably noticed that some pen caps have holes on top of them when you tinker with the pen and…
Read More » - Apr- 2022 -15 AprilDH Latest News
Why do pens have holes in the caps? The answer may surprise you!
You’ve probably noticed that some pen caps have holes on top of them when you tinker with the pen and…
Read More »