Custom host machined

I’d like two of these, but I don’t know what to tell you about machining to a specific diameter for a particular host yet. They would be nice to have, I will let you know the host I want them for soon (I have a few potential hosts to use one on).

https://www.laserdiscourse.org/uploads/default/original/1X/bc3e62619a035b8deccf52135e437766241a3db9.jpeg