Specification: Condition: 100% Brand NewItem Type: Nail Grinding Head SetMaterial: Tungsten AlloySpecification: 7pcs / setHandle Diameter: Approx. 2.35mm / 0.1inFeatures: Used for manicure, nail polish removal, etc., used with nail polisher.Application: Household, nail salon, etc. Package List: 6 x Nail Drill Bits 1 x Dust BrushIf you have any dissatisfaction or questions about the product, please contact us. Our after-sales service team will provide you with the best customer service.