Something that is often overlooked but is one of the most important tools for nail professionals, is the nail file. Nail files seem as simple tools, and many incorrectly believe that any nail file will do the job. But when working with nail files, there are some different points you must know and consider, both for filing natural nails, overlays and about the file itself. This guide will not only explain the technical details, but at the end also recommend you which file to choose for each task.