Micro cell 2000 supersonic professional glass file is one fine-grained glasfil, there gently files nails. Nail file seals neglespidsen past, the laws prevents, to nails cracks or share themselves in layer, past, the laws gives one smooth past, the laws fine neglespids.Application:file always in one direction. File with regularly speed past, the laws motion lining to prevent, to nails fraying.Clean file with water after use. Micro cell supersonic professional glass file