Welcome to our shop! 1. Acrylic Gel Remover: The bit's coarseness changes from top to bottom and can be used for smoothing, shaping, cleaning, etc. Use a nail drill to shape your acrylic nails to perfection. 2. Two-way Rotation: Rotates left and right, smooth cutting in clockwise and counter-clockwise directions, usable by both left and right-handed individuals. 3. Wide Application: Suitable for most nail drill bit sizes. Ideal for nail salons, beauty salons, spas, or DIY manicures and pedicures at home. 4. Manicure and Pedicure: Not just drilling, but also polishing. Easily clean cuticles and acrylic, refine and shape nail edges, and remove dead skin. 5. Excellent Material: The professional file bit is made of tungsten carbide and ceramic, strong and durable, removing hard gel nails with less dust, friction, and heat. Item Type: Nail Drill Bits Material: Tungsten Carbide, Ceramic Quantity: 7 pieces Package List: 7 x Nail Drill Bits Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best after-sales service.