This nail file is designed in such a way that it fits in the palm of the user, and the user can easily use it without applying much force to maintain it. In addition, the part of the file that is in contact with the palm has the shape of the palm for a better grip and comfortable feeling. This nail file has a good and significant ergonomic grip and is very convenient to use. Due to the fact that it is widely used during the week, this nail file is designed in such a way that the wrist does not deviate from its straight line, and carpal tunnel syndrome can be prevented in the long term.