Professional file, straight, wide, black. The degree in 80/100 is ideal for modeling gel and acrylic mass, as well as for processing basic tips. | Gradation means: - 80 sharp files with very coarse grain, - 100 sharp files with coarse grain, - 180 sharp files medium ideal for processing gel and acrylic - shaping, - 240 fine files, - 320 polishers |