Feature:1. 5 Grinding Heads: Electric nail polisher with 5 different bits for your use, you can easily change them according to your needs.2. Stable Performance: Electric nail drilling machine with low noise and high speed, which can provide stable and excellent performance without getting stuck.3. Wide Application: The nail drill machine is perfect for both home and nail salon, suitable for nail removal, exfoliation and polishing.4. Easy Operation: The electric nail grinding machine is easy to operate, you can rotate to install the grinding head, which brings you much convenience.5. Premium ABS: The electric nail drill set is made of excellent ABS material, firm and sturdy, which can be used for a long time.Specification:Item Type: Electric Nail Drill Machine drill nailsMaterial: ABSSpeed: Idle 20000 RPMStyle: CharacterfulSize: Approx. 16 x 3 cm / 6.3 x 1.18 inches Handle diameter: approx. 1.9 cm / 0.75 inchBattery: 2 AA batteries (not included)Grinding head: round grinding head, pointed grinding rod, nail grinding head, nail grinding head, edges, metal grinding headPrecautions for replacing the grinding head: insert the grinding head with force to prevent it from flying off.How to use:1. Turn counterclockwise to unscrew the head from the grinder.2. Install two AA batteries.3. Rotating the grinding machine head clockwise.4. Select the required polishing head. (there are 5 polishing heads)5. Align the drill hole and insert it vertically.Packing List:1 Grinding Machine1 Round Grinding Head1 Pointed Grinding Rod 1 nail polishing head1 edge polishing head1 metal polishing head1 receiving bag1 description