I couldn’t find a good 14mm in my tools. This is the size for my oil pan plug, and I just lose them over time.
I tried to use a light-duty cheapie one, but the metal got damaged.
The replacement was kind of expensive, but worth it!
The shape of the corners is weird. There’s a bit of metal cut out of it, so it won’t touch the corner of the bolt head.
This was a patented feature on Snap On tools. The patent has expired.
What’s good about this feature, is that it avoids putting force on the corner of the bolthead. Instead, it puts force on the flat surface, which is stronger.
These were warranty returns. The tie clips are all broken. The two I tested worked well. They are a bit quiet, because there’s no seal between the earphone and ear canal. However, it’s loud enough.
The button on the mic might be broken. The cover is a flexible plastic, but some had broken or loose covers. A bit of tape fixes it.
Overall, this is a recommend. I purchased these on Ebay.
$3 at Ross, and it already broke after a week. The connections between the cable and the mic are weak, and break.
They sound OK, a little quiet, but overall, pretty good, but their fragility makes this a pretty weak product.