German precision

Not quite correct I thought a 3/4 in socket is like a 19 mm and a quick check its about 19.05 mm.
Anyway got the new washer plumbed in an set in place up and running.
Ok for washing day tomorrow .
A stormy night with a few blasts of rain during the day.
Imola Italian Grand Prix - what does Valtteri Bottas have to do to win?