When I first bought my tools, at the start of my first semester of automotive school, I got a whole bunch of Snap-On stuff. I didn’t know that much about tools at the time, so for a while I thought this was on purpose.
In my set of combination wrenches, 10 to 19mm, the 19mm box end was just round. For longest time, at least a year, I thought it was on purpose, though I had no idea why it would be. Then at school I noticed a classmate’s set of Snap-On wrenches all had properly machined box ends, so I got a replacement from the local Snap-On guy, and managed to keep the old one. I’m not sure how a wrench could miss that portion of the machining process, but it’s a cool thing to have.
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