Feature:1. Can effectively grind and polish your nail, reshape your nail contour.2. High working efficiency, good performance, suitable for most kind of nail drill.3. Adopts quality material, safe and wear-resistant, stable and durable.4. High hardness, high temperature resistance, not easy to break, anti-corrosion.5. 2 kinds of polishing head are optional, obpyriform is suitable for dead skin removal, pointed cone shape is suitable for rhinestone removal, you can choose according to need.Specification:Condition: 100% Brand NewItem Type: Nail Grinding HeadMaterial: Tungsten SteelOptional Type: L-10(Obpyriform) , L-11(Pointed Cone Shape)Size: Approx. 1.2 x 1.2 x 5cm / 0.5 x 0.5 x 2.0in（With box) Package List:1 x Nail Grinding Head