Engineers yard stick

[Odysseus]

The basis of what goes wrong.

[Salty]

Nice one B & L

[MarkTheBike]

Excellent, that needs to go up in my kitchen. Where did you see it (or get it from)?
Reminds me of the Engineers' response to '... glass half full or half empty...'; "... it's twice as big as it needs to be...".

[Odysseus]

When working in USA a guy had it in his garage.

Odysseus

[MarkTheBike]

...when working in USA a guy had it in his garage...

I was afraid you'd say something like that. Oh well....