The sharpness and usability are good, but the finishing is sloppy with this amount of money. Metal part does not return, so it seems to cut hands other than teeth. The first job was to take this deburr. I noticed it when I finished taking it, but it is with a stopper screw to prevent sticking of blades. } Although it was in the explanation, there is not even a screw hole. There is a model number in PP90-150. Even if it was high, it was decided.