A fool and his money are fun to be with." A Fool and his money are soon parted".
Grandma would have specified a 32 mm wrench.Setting: Working on cars (all metric) and a pal would always say, "Just grab the SAE equivalent".
Old Saying (a reaction to his nonsensical advice): "Say that again and I'll beat you to death with an 1 1/4" wrench."
I bet grandma never said that one!