I'm an ASE certified mechanic and love to try new tools that make our job easy. These wrenches may actually do that by combining metric and American Standard. I will update review once I have the chance to use them more. But the 4 stars are based on the manufacturing and looks. I also got a very good price. Just so you know these are not gear wrenches the closed end lever is to adjust the opening from metric to american standard.
I bought these on the notion that they would help get out rounded and nicked up nuts. I was wrong. The wrenches would not grab or really do anything but slip off. I took them back. I would not waste my time on them
Had a couple of "damaged" bolt heads on a piece of lawn equipment. Used tool(s) to grip them and remove quite easily without "busting" my knuckles. Great too.
These non-ratcheting wrenches look to be of solid quality. The real upside of these wrenches is that they allow you to carry less wrenches to the job site, because the fastener openings can be adjusted to tightly fit either metric or SAE sizes, which makes 5 wrenches capable of doing the job of 10 wrenches.
The "extreme grip" thing is really just a marketing ploy. The wrenches don't lack grip, but nothing about them made me think their "grip" was anything better than most other similar wrenches. However being part of their extreme grip lineup, Craftsman gave these wrenches a really attractive look and finish.
I'm happy enough having paid $20 total for these wrenches with no coupons or promos, but I don't think these wrenches are of great value if you pay much more than $20 for them. MAGA everyday.