Staleks Carbide drill bit, "corn," red, head diameter 5mm/ working part 13mmis a perfect tool for nail technicians of all experience levels. This drill bit with the code FT90R050/13 is one of the most popular used drill bit on the market. High-quality materials High strength and resistance to external influences Do not heat up during operation The center of rotation does not shift at high speeds Withstands all types of sterilization and disinfection Remove artificial materials from the nail plate Used for work with problematic natural nails For the processing of rough feet skin Fine grit - red If you are looking for the best drill bit, then Staleks Carbide drill bit, "corn," red, head diameter 5mm/ working part 13mm or FT90R050/13 is a fantastic choice.