Setting up a cull distance volume

I’m trying to follow this documentation, I think they left out the part about the actors size. Do any of you know where you get the size of your actor? Can’t find it.

[https://docs.unrealengine.com/en-US/...nce/index.html

Cull Distance Volume | Unreal Engine Documentation](Visibility and Occlusion Culling Settings | Unreal Engine Documentation)