Pictured below is my tool kit for etched brass work.

The tools are arranged left to right with the ones on the right being most useful and those on the left being least used and useful. The tile is also essential to cut out the brass on with an ordinary blade.

I forgot to add in a thin steel ruler which would fall around the middle. I know those folding tools on the left were a big craze a few years back but I’ve found them tricky to use precisely myself.

Your mileage or kilometrage may vary. It’s funny but as an Australian the metric system was introduced when I was 11 and I still use both systems in everyday life