Dual Side Click Zirconium Pen nofeed It also works great as

It also works great as a pen roll

Uses four common LR521/379A alkaline watch batteries (included)

TSA compliant (when the Multi-tool is removed)

3x its own weight in water

Dual Side Click Zirconium Pen nofeed It also works great asThe Dual Side Click Pen lets you have full control over your writing experience. The patent pending and fidgety click mechanism has release buttons on both sides of the pen. The pen auto adjusts both in length and tip size to create a fully custom pen that ticks all the boxes on your list. Zirconium construction Patent pending dual side click mechanism Accepts 100+ refills w o any hacks or modifications Auto adjusting collet to minimize tip wiggle