Feature: 1. Function: Can quickly remove acrylic or hard gel; reshape, polish, and grind acrylic nails, meet your various needs. 2. Two Way Rotation: Drill bit can be rotated to the right or left to achieve polishing in clockwise and counterclockwise directions. 3. Excellent Material: Made of high quality tungsten steel material, high strength, firm and sturdy, wear resistant and durable for use. 4. Easy Installation: You will get 5 different models of nail drill bits, suitable for nail drill machine, easy to install and replace, bring you convenience. 5. Portable: Light weight and in small size, easy to store and carry, suitable for experienced nail artist and nail art novice. Specification: Item Type: Nail Drill Bit Model: XF, F, M, C, XC Material: Tungsten Steel Shank Diameter: Approx. 2.35mm / 0.1in Characteristics: Used for manicure, nail polish removal, etc. to be used with nail drill machine Application: Household, nail salon, etc. Package List: 5 x Nail Drill Bit 1 x Dust Brush 6 x Storage BoxFunction: Can quickly remove acrylic or hard gel; reshape, polish, and grind acrylic nails, meet your various needs. Excellent Material: Made of high quality tungsten steel material, high strength, firm and sturdy, wear resistant and durable for use. Easy Installation: You will get 5 different models of nail drill bits, suitable for nail drill machine, easy to install and replace, bring you convenience. Two Way Rotation: Drill bit can be rotated to the right or left to achieve polishing in clockwise and counterclockwise directions. Portable: Light weight and in small size, easy to store and carry, suitable for experienced nail artist and nail art novice.