Features -Color:As Shown -Material:Tungsten steel, alloy Size:7.00X1.30X1.30cm/2.75X0.51X0.51in Package Including Drill Bits Carbide Tungsten Steel Micro Drill Bits Set Carbide Cuticle Remover Bits for Manicure Pedicure Home Salon Beavorty nail polisher nail grinding heads manicure drill heads portable manicure polish tools professional nail drill nail sanding drill bits Metal Tungsten steel alloy Multifunction Polishing Bit Made of high-grade materials, our well-made nail art tools are safe and durable for use. Drill Bits For Nails With high strength, good durability and cutting performance, they can quickly and easily polish nails. Nail Art Supplies Multifunctional in use. These Nail Bits can be to wipe nail gels and acrylic substance.