As a result of my tests, I determined that this wrench is not suitable for any industrial and scientific works. The grip is too weak to hold any heavy tools which is a major drawback.The only pro is that it looks sturdy, but that`s misleading. Save your money and purchase a better-quality wrench..
Pros
Adjustable jaw allows for versatility in tightening various sizes of nuts and bolts
Cons
May potentially slip or round off corners of the nut or bolt being tightened if too much pressure is applied
I don't like tricks, I prefer tried and tested tools. I received them as a gift and expected the usual versatility of a wrench that I received. What I did not expect was such accuracy of the instrument. Runs very smooth, feels good in the hand and being able to measure the screw once it's aligned is amazing! I will be giving away a few of these sets for Christmas.