Thank you, you answered my next question as well. I was eyeballing those and was wondering how effective they were. I’d also like to thank you for all the input you’ve given over the years. I’ve read about many subjects on here and noted your input.Green wheel, and diamond sharpening "stone".
These are actually surprisingly good: https://www.amazon.com/dp/B09WM9NCK3
I like that idea and as can be seen in the photo, I need to be considering other options to what I have.I think the ones in the picture flex too much. I highly recommend indexable solid carbide boring bars. You can get them on eBay quite cheap now. I have them in 4, 5 and 6mm