These chisels are good for beginners but are not suitable for many things. Grounds are too thick and therefore not suitable for dovetail connections or anything that requires entering tight spaces. Also, I didn't see any negative points in other reviews. The back of my chisels is perfectly flat. None of the chisels are bent. The handles are strong. They came out pretty sharp, although I did sharpen them before using them. They're not quite Lie Neilsen quality, but for a set that costs less than one of these chisels, they really aren't that bad.