Sapphire nail files have a coarser grit, which is great to quickly and efficiently shorten nails. Generally, these files have a medium or course grit on one side, and a finer grit on the other side to finish off a smoother filing. The tips are generally thin enough to clean and remove any debris under the nails.
Zamberg offers several fine quality sapphire nail files, by leading companies such as GERMANIKURE and Premax. The GERMANIKURE product, which is a single-piece unit making it less prone to breakage, also includes a lifetime warranty against defects and workmanship. The Premax tool, which uses the patented “ring lock system,” is assembled using a machine used in the watch industry and includes an ergonomic handle.