Cuticle Nail Drill Bits Set 10pcs - Premium Material: Adopt the highest precision standards diamond with superior strength, sharpness, and durability. Coated with unique silver color. 5pcs Special Under Nail Cleaner(UNC) Bits: These 5pcs nail drill bits are pointed and small to be used under the nail and sidewalls cleaning. Some nail technicians also use this bit for making designer holes in the nails. 2pcs Ball-shaped Bits: These 2pcs drill nail bits will be more suitable for hard skin, cleaning up the Eponychium (the hard skin above the nail plate), or removing loose cuticle been lifted from the nail plate. 2pcs Flame Bits & 1pcs Brush: These 2pcs diamond nail drill bits are great for removing hangnails. Designed for creating a lip of dead cuticle in order to better remove dead skin. Can remove any excess dust and skin around the nail plate . Universal Size - 3/32" shank & Lightweight: Totally 10pcs cuticle drill bits fit most electric or rechargeable manicure nail file machine.