Material: The drill bit is mainly made of tungsten steel. This material is not easy to rust, break or deform. The drill bit is hard and sturdy and can be used for a long time without worrying about hurting your hands. Five-in-one function: It means that it contains five grinding functions, rounded teeth, and three main teeth that are evenly excessive (that is, the tooth spacing is narrow at the top and wide at the bottom), and it can be used in both directions. Model: There are three models to choose from, starting from the bottom of the drill bit, the roughness varies from medium tooth pattern (M), fine-tooth pattern (F), and extra fine tooth pattern (XF), which can meet your different machine and nail parts needs. Correct measurement: 3/32 nail heads are suitable for many machines, many electric or rechargeable manicure machines or manicure machines can be used; the diameter and length of the head are also comfortable for your hand, and they are easy to use. Wide range of uses: This tungsten nail drill is widely used in nail salons and at home, as a tool for trimming artificial nails or acrylic nails, and can also clean cuticles; due to its lightweight and small size, it is very convenient to carry and store, generous and delicate design unisex. NoteXF (extra fine unloading soft glue), F (fine unloading soft glue), M (medium common model), the tooth pitch gradually increases from XF to C Product SpecificationType 5 in 1 Multifunctional Tungsten Steel DrillQuantity 1Color Dazzling PurpleMaterial Tungsten Carbide SteelSize 4cm (1.57in)Package Included1 x Tungsten Steel Drill Bit