Product Description Ball Barrel Top-Safety Bit Remove nail design placed close to cuticle area without damaging the nail.Perfect for beginners. Large Barrel Top Do surface work on the nail easily . Shorten and shape the extra thick and irregular nails.Backfill cutting.Make a smile line. Brush Bit Clean the dust on the bits or nails easily.Protect the bits. Ceramic cone bits Remove cuticle and extra glues. Used under the nail or sidewalls. Perfect for use on top of the toenails because of its slim size. Needle bit Filing away residual cured gel or cuticles in hard to reach areas. under-nails clean, sidewalls, backfills. carving out designs and smile lines. Diamond Top Used for under nail cleaning/product shaping/backfills. To clean around cuticles and protect skin.