I liked the screwdriver. Of course, this is not a screwdriver, it is not for construction, this screwdriver is for computers, etc. But if you really need it, it will screw the self-tapping screw into the dowel calmly, no more, I took it for an electric motorcycle, in which there are a lot of bolts, it copes with its task at 4k, I tighten it manually.See full review