Upgraded Tungsten Carbide Material & Highest Precision StandardsMade of Tungsten Carbide, these nail drill bits have the optimum strength, sharpness, durability, and heat resistance.This cuticle nail drill bits set is designed with chameleon color and convenient to use and protect skin and portable.The special UNC nail drill bits are pointed and slim.This particular shape helps the bit to get into tight spaces of nails.10 Different Tools & 3/32" SizeTotally 10PCS different nail drill bits, which fit most nail drill machines that use 3/32" bits.Various shapes and sizes meet different kinds of needs.Professional shapes and sizes design meets the diversified needs, like nail beautify, nail polishing, nail clear and care. Ideal for refining and shaping nail edges, polishing the surface of acrylic and gel nail, and removing dead skin easily.5PCS Special Under Nail Cleaner(UNC) BitsThese 5PCS nail drill bits for acrylic nails 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 BitsThese carbide 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 nail bits for nail drill 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 and also be used to clean and perfect after product application.