Package Includes: 1 Nail Drill Machine, 6 Metal Grinding Heads + 6 Matching Grinding Bands, 6 Grinding Heads, 3 Ceramic Grinding Heads, 1 Dust Brush, 5 Mini Scrubbers, 1 Pack Grinding Head Grinding Bands Portable Nail Grinder with Power Storage - Professional High-Speed Quiet Salon Eight Advantages: 1. Efficient Grinding with Adjustable Visual Speed: Speed and rotation direction can be adjusted. The screen displays your current speed and remaining power. The value is clear, allowing you to choose your desired speed. 2. Comfortable Feel, Faster and Better Cuticle Removal: Powerful motor significantly enhances the speed of nail grinding/removal. Comfortable hand feel, easy and no hand shaking, not hot. 3. Large Capacity Battery. 4. Improve Nail Efficiency: Compact body, doesn't take up space, easy to use, carry with you. 5. 360 Electric Operation Rotation Movement: The micro motor rotates rapidly every minute. 6. Free Switching: Rotation speed can be adjusted as needed. 7. Simple and Fast Operation: Rotating lock handle, interchangeable grinding head, easy to solve various manicure problems. 8. Intimate Configuration: A variety of different grinding heads are used to achieve twice the results with half the effort. How to Use Our Nail Drill? *Turn to the left (clockwise) until you hear a click in place. *Take out the test drill. *Insert the desired hole. *Turn to the right (counterclockwise) to lock the drill. Note: A warning will appear when the machine is stuck, and you need to turn it on again.