On 16 Apr 2018 10:48:34 GMT, David wrote:

Having a potential strategy to make up a small plate to fix the broken
caravan locker mechanism, I now need to source some metal.

The existing components are nice steel and roughly 1.2 mm thick, so that
seems a good starting point.

Some kind of sheet plastic
[snipped]

How about epoxy glass sheet:

https://www.hobbyplastic.co.uk/index...lnnpkho7jjfv96

- Mike