Key for road booms common in Sweden

This is the first thing ive designed in 3d, ive tested it and it works just fine.

To start off, i dont know if these kinds of locks are used anywhere else but Sweden, here ive seen them in many places.

The key works on swinging booms, lifting booms and some booms with padlocks.

I made this by using calipers on the original item, looking at guides youtube and after trying the first version i made some modifications based on feeling and function.

This is iteration two, while the first