I haven't yet run across an adjustable wrench that was worth a shit. Even old (notionally decent?) Crescent ones. The jaws invariably splay when you apply force, even if you're using them correctly. I've come to the conclusion that it's just intrinsic to having a moving jaw that moves easily enough to be useful. At this point, if I expect to need the wrench ever again (or need to reuse the fastener), I'll just buy a…
Knipex makes some decent adjustable wrenches (not crescent style, though). Their Pliers Wrench line has an adjustment mechanism like a channel lock plier, but then has a jaw that’s on a cam mechanism to keep the two jaws parallel. One direction they’re just as good as a crescent wrench, but in the other direction it “self tightens” and you can really reef on it. The cam mechanism allows you to loosen your grip and th…
> Only downsides are price and they are not super low profile so you need a bit of room to turn in.
Pricey, but buy quality and cry once.
As for low profile, I actually find them nearly as thin as a typical crescent in terms of the handle; while the head may be same or thinner.
I recommend buying more than one size
https://www.knipex.com/products/pipe-wrenches-and-water-pump...