Specification: Item Type: Nail Drill Material: Tungsten Steel Features: 1. Easy to Use: The drill's surface smoothness varies from top to bottom, quickly removing nail glue for cleaning, shaping, cutting, smoothing, and removing, meeting your various needs. 2. Durable Material: Nail drills are made of tungsten steel for reliable strength, high durability, low cutting performance, less dust, and can quickly and well reshape, polish, sculpt, and give glossy gel nails. 3. Rotatable: The drill can be rotated right or left to achieve clockwise and counterclockwise cuts, ideal for left and right-handed users without changing size during work. 4. Protective Plastic Case: The 5-in-1 nail drills come with a matching case for protection and convenient storage, keeping these nail art bits organized. 5. Application: This replacement nail drill is suitable for most drill-equipped nail machines, suitable for most gel nails and experienced manicurists or beginners. Package List: 1 x Nail Drill 1 x Storage Box