1Quick Grinding: The appearance roughness of the drill changes from top to bottom, which can quickly remove nail glue for cleaning, shaping, cutting, smoothing and removal, to meet your various needs. 2Strong Durable: Made of ceramic for reliable strength, high durability, low cutting performance and less dust, it reshapes, polishes, sculpts and flat gel nails quickly and well. 3Rotatable Bit: The bit can be rotated to the right or left for flat cutting clockwise and counter clockwise, ideal for left and right hands, no need to change other size during work. 4Beginner Friendly: You will get 5 different styles of nail drills, these drills will fit most nail machines with drills, suitable for most gel nails and experienced manicurists or beginners. 5Plastic Protective Case: Comes with a matching case for protection and convenient storage to keep these nail drills organized.