1REMOVING NAIL GLUE: The cover roughness of the nail drill bit varies from top to bottom, allowing you to quickly remove nail glue for cleaning, shaping, cutting, smoothing and removing, meeting your various needs. 2EXCELLENT MATERIAL: Nail grinding bit is made of tungsten steel, reliable strength, high durability, low cutting performance, less dust, can quickly and well reshape, polish, flatten, polish, sculpt and flatten gel nails. 3ROTATE LEFT AND RIGHT: Nail polishing bit can be rotated to the right or left for flatten cutting in clockwise and counterclockwise directions, perfect for both left and right handers, no need to change other sizes during the work. 4APPLICABLE OBJECTS: You will get 1 kind of nail art drill bits, these grinding bits fit most drill bits of nail machines, suitable for most gel nails and experienced nail artists or nail art beginners. 5PLASTIC PROTECTIVE CASE: Nail cuticle drill bit comes with a matching case for protection and easy storage to keep these nail art drill bits organized, and you can also quickly find the nail art drill bit you need through the storage case when you use it.