5.11 Kubaton tactical pen. I liked how it looked and picked it up. Doesn't do anything special. Just looks nice. Takes Parker style refills, just using a fisher space pen in fine. :
5.11 Tactical 51164019 Kubaton Tactical Pen Black - Knife Country, USA
Written Off Tactical Pen – Damsel Catalog
5.11 Tactical - Where other options are not an option, a defensive pen comes in handy 🖊️ • The Kubaton Tactical Pen features a balanced, yet sturdy aluminum body with aggressive gimping
5.11 Tactical Kubaton Aluminum Self-Defense Pen With Pressurized Ink Cartridge