Electric Nail File Drill Bits nail manicure file bits material High quality Nail Art Acrylic UV GEL Nail File Drill BitsElectric Nail File Drill Bitsnail manicure file bitsmaterialHigh qualityNail Art Acrylic UV GELElectric Nail Drill Gold Carbide Bit x 1Model # CMade of Carbide (Carbide is the hardest material next to diamonds)Carbide bits use a cutting action to remove product ; creating less ...