Originally Posted by
reverborama
...
So rather than just going from 123 to 120 and then trying to center it, which will usually involve more bending, just figure it out in advance and bend it once.
Good tip. Better than my crude approach

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Originally Posted by
reverborama
Hex wrenches make great measuring devices.
Can you explain this, or maybe post a pic? Do you mean using the end of the wrench for small distance measurements?