1.??Multifunctional and professional nail cutter set??: the nail file is equipped with 6 bits and sanding belts. It is suitable for both acrylic, as well as gel and natural nails. 2.??Speed and direction control??: the maximum speed can be adjusted up to 35000 rpm, you can adjust the right speed according to your needs. You can also change the direction of rotation of the grinding heads bits. Polish the nails precisely and without nail damage. 3.??Overheating protection handpiece??: the aluminium alloy handpiece has an integrated overheating system to ensure a long service life. Fast heat dissipation, low noise and low vibrations. When not in use, it can be inserted into the hole of the base. 4.??Easy and Safe to use??: You can adjust the speed 0-35000RPM easily.F/R button easy to change direction..Designed with a high-quality aluminum alloy long-life handpiece, low noise, low vibration, low heat for handling, suitable and safe for use. Convinent to carry around. 5.??Wonderful gift for DIY craft lovers??: It has a high speed and various attachments that can support DIY creations and craft work. It is very suitable for designing markings, engraving processes, grinding grooves and polishing metal surfaces.