Nail Filer Electric is a must-have for manicure lovers. It has a high-speed motor that can polish your nails smoothly and quickly Electric Nail File also has a rechargeable design that saves you the hassle of changing batteries.You can adjust the speed and direction of Professional 4 Speeds Electric Nail File with the clockwise strong and weak two gears and easily replace the grinding head when neededNail Drill is compact and portable so it does not take up space in your bag or drawerSpecification:Item Type: Toe Nail Grinder Kit For Thick NailsBattery Capacity: 500mAhMaximum Revolution: 20000rpmSize: Approx. 12.5 x 1.9cm/4.9 x 0.7inchMaterial: HardwarePackage List:Electric Nail File*1Drill*7