Ahh. Don’t think Lee made a conversion kit to .410 for the Load All. I’m aware of some people attempting 3D print ones, but given the stresses involved I severely doubt they’d stand up to anything, really.
I was referring to the LEE Loader kits, which really are very very very manual…
https://youtu.be/IEZ9pHHTkWo?si=gFeInEl3_0sd82NQ