This 135mm Nail File is the ultimate Nail File. This crystal Nail File is slim and sleek, comes in an Aluminium Case & has a lifetime guarantee. Broken nails always happen at the most inconvenient time, usually when you are out and about. This Crystal File comes in an Aluminium Case to keep it safe, clean and secure. Perfect for handbags - Leighton Denny Directions of use: Use the file to shape the nail Replace the file in the case when finished. The file can be rinsed in warm water to clean and restore it to top performance