Susan P wrote:

I looked about and saw there were quite a few different magnetic
dishes available. Now I'm confused!

They're all stainless, they're all magnetic, and nowadays they nearly
all have a scratch resistant base. Just get one.


Alternatively they're the worst things ever invented (for long-term
projects) and encourage sloppy working and leaving parts lying around
indefinitely. A pack of ziploc freezer bags and a marker pen is a much
better habit to get into.