Features: 【GOOD PERFORMANCE】The handle diameter of the grinding head is made of tungsten steel, which is strong and durable.The grinding head has good corrosion resistance, prevents damage to the grinding head such as nail remover, and can be used for a long time. 【FAST EFFECT】The Nail Drill Bit exfoliates keratin quickly and effectively without damaging the normal skin of the feet.The high hardness of the grinding head makes it has a longer service life. 【PORTABLE SIZE】Lightweight and portable, convenient to use and carry. The Nail Drill Bit is suitable for nail salon or personal manicure, DIY nail art at home. 【MAIN FUNCTION】The Nail Drill Bit can be rotated forwards and backwards, and has the functions of shaping, removing nail gel, removing dead skin, and carving radian. 【APPLY TO】The Nail Drill Bits can meet the needs of different manicures, and can be used for manicure, nail polish, nail peeling, etc.The universal handle diameter is suitable for most grinders on the market. Specification: Condition:100% Brand New Item Type: Nail Drill Bits Specifications: 7Piece Set Material: Tungsten Alloy Handle Diameter: Approx. 2.35mm/0.1in Size: Approx. 3.5 x 6.7cm/1.4 x 2.6in ( as the picture shows) Features: Used for manicure, nail removal, etc. with nail polisher. Product Application: Household, nail salon, etc Package List: 6 x Nail Drill Bits 1 x Dust Brush