Efficient DissipationAluminum alloy body makes it efficiently dissipation so that you will feel low heat when you do manicure or pedicure AttentionWe recommend that no more than 20 minutes of continuous use each time Upgraded Antislip DesignPen shaped handpiece with exclusively upgraded antislip design for comfortable and safe handling Adjustable SpeedDirection Varying speed from 020000 RPM with speed controller Can start out slow while getting used to it Forward and Reverse rotation direction makes you feel easy to use both left and right hand do nail drill Professional Nail Drill Set The sets with 6 different drill bits 106 sanding bands 1 nail brush It is can be used for manicure pedicure polishing and removing excess cuticles or pets nail beauty and so on Good choice for both home and salon use Easy to UseIt is easy to change the drill bit without tools just pull it out and insert it Power cord just need to connect the wall socket with it to start working