I'm looking to get a HRT210 for my 2020 VF5. I have a HRT450 and it works for what I got it for but its too big to be running smaller parts on. Looking around I can find them used for sale but can anyone explain the Sigma 1/sigma 5. I'm assuming 5 is a newer version. Does my machine work on both? I looked on my 450 and it doesn't say anything about what sigma it is. I also see a P3 on some of them, the ones that have it are all P3 and some don't have anything about it.

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