We have good news: all 6 cutter bits from the advanced set are compatible with any NEONAIL cutter. Thanks to the Neonail cutters, you can change your nail design faster and easier. The cutter bits are marked with coloured rings that reveal something about the grain of the bit. The blue colour ring is a bit with medium coarse grit. The red colour ring stands for a fine and the purple for a very fine grain. The cutter bits set Advances contains: carbide cutter bit is suitable for removing UV nail polish or gel models; diamond cutter bit cylinder NO.01 removes and cleans the cuticles next to the nail wall; diamond cutter bit in the shape of a needle, precisely removes the cuticles around the nail; Diamond cutter bit FLAME NO.02/S, cleans and smooths the surface between the nail and the nail wall; diamond cutter bit FLAME NO.01/H, cleans and smooths the surface between nail and nail wall; diamond cutter bit buffer is suitable for cuticles and nails as well as for smoothing the nail wall.