What’s the name and use case for this?

Here's an analysis of your EDC, formatted as requested.

This loadout is minimalist and leans heavily into the aesthetic of tactical/modern EDC. It appears to prioritize utility in a compact form factor, with a focus on tools that could be useful in a variety of situations. The color scheme is consistent (gray/silver tones) which contributes to a cohesive look. The items suggest a user who appreciates quality construction and unique designs. The central item, the "shark fin" tool, is the focal point and appears to be a multi-functional pry bar/bottle opener/potential self-defense tool as you suspected.

Pros

The items shown are generally high-quality and useful. The titanium pen is durable and reliable. The pry bar/bottle opener is a versatile tool for everyday tasks. The brass ammunition appears to be dummy rounds, which are often carried for aesthetic or training purposes. The overall build quality seems excellent, suggesting longevity and reliability.

Suggestions

This loadout is very limited. It lacks essential EDC categories like a primary cutting tool (knife), a light source, and a wallet/cash carrying solution. While the pry bar could be used defensively, it's not a dedicated self-defense tool and shouldn't be relied upon as such. Consider adding a knife, a small flashlight, and a wallet to create a more well-rounded EDC. A firestarter or small first aid kit would also be beneficial additions.