1Application: The nail polish head cap effectively prevents dust from entering the inside of the nail polish machine and keeps the equipment clean. Helps to maintain the functionality and longevity of the nail machine. 2Accurate Design: The nail polish grinding head dust cover is accurate designed and customized to fit nail polish heads perfectly. Due to the great fit, the dust cover can effectively protect the nail polish head from external factors. 3Premium Material: The cover for nail polishers is made of premium ABS material, which is reliable and easy to clean. This premium material not only makes the cover sturdy and long lasting, but also simplifies the cleaning process. 4Easy Replacement: The nail polish machine dust protection cover is quick to install and easy to replace to enhance the efficiency of nail polish. With easy and convenient replacement, the cover ensures that your nail polisher stays in top condition. 5Good Protection: The nail sanding head protective guard provides good protection for your nail drill machine and extends the life of your nail sanding machine. With this protective cover, your machine can be well protected. 90 xNail Drill Bit Dust Cover