The email issued mentioned earlier this week is now fixed! You may also have received previous emails that were meant to be sent over the last few days - apologies, this was a one time issue and shouldn't happen again!
You need a different trimmer for each caliber but once you set it up it’s set for said caliber. It probably took me about 10 minutes per caliber to set up. That is with setting up and adjusting to get it where I wanted it.