Tungsten Carbide MaterialThe nail drill set is made of tungsten carbide metal, which has the best strength, sharpness, durability, and obtains the highest precision standards. 3/32 Inch HandleUniversal size, suitable for most electric or rechargeable manicure nail drills. They are suitable for nail salons, beauty salons, spas or personal manicure pedicures. Professional Nail Drill Bit KitOur nail electric file drill kit equipped with 10 different tungsten carbide nail bits to meet your grinding requirements on different nail regions. Different nail bits combination to trim and polish your natural nails, especially remove edge and sidewall cuticle, and dead skin. Easy to cleanThe nail bit is corrosion-resistant and will not clog the nails. The nail brush drill bit can easily clean the dust on the drill bit or nails and keep your nails healthy. Multifunctional nail drillThe cuticle drill set is an ideal nail tool, which can complete a variety of professional tasks, such as engraving, sanding, sharpening, sanding and polishing. Suitable for natural nails and all gel nails.