Safety Bits/Barrel Bits These are actually cuticle safety bits and designed for safe cuticle work. They are rounded at the top and come in a great variety of shapes. With these bits, you can easily get to the cuticle and sidewalls without damaging the natural nail. Great for infill cuticle work. Flame Bits The flame bit has a long, slim and tapered shape. You can use this bit for several purposes such as preparing the cuticle area and sidewalls and cleaning under the nail. You also can use the flame bit on the top of the nail, it is a great shape for toenail surface work and although you must keep in mind, it is not the best shape for fingernails surface work. Ceramic bits The great thing about Ceramic coated bits is that they are long lasting. The ceramic bit also has flute-like cuts, which help the bit to shave off the product. You can find the ceramic bits in several grits such as medium, coarse and fine. The ceramic bits are intended to reduce friction heat. Ceramic bits can be cleaned and sterilized.