What size are the front panel screws on both the Mk.I and Mk.II? Silly question, but I don't have a metric thread gauge.

On my Mk. I, the two that haven't fallen out have corroded some.

On the Mk. II, I've decided they need to be chromed.

As an aside, anyone have a good source for small, chromed, metric socket head capscrews?

Thanks,