1、Easy to Use: The surface roughness of the drill bit changes from top to bottom, quickly removes nail gel for cleaning, shaping and cutting to meet your various needs. 2、High Strength: Made of stainless steel, reliable strength, high durability, low shearing performance, less dust, can quickly reshape, polish, grind and carve gel nails. 3、2-Way Rotation: The drill bit can be rotated clockwise or leftward for clockwise and counterclockwise cutting, suitable for both left-handed and right-handed users, no need to change other sizes during work. 4、2 Styles: Including 2 styles of nail polishing drill bits for most nail drill bit machines, suitable for most gel nail and experienced nail artists or nail art beginners. 5、Plastic Storage Box: Professional nail drill bits with matching box for protection and easy storage, keep these nail art drill bits organized and not easy to be damaged.