Feature: 1. Solid Construction: These nail drill bits are crafted from high strength tungsten steel, sturdy and strong, ensuring prolonged durability and resistance to damage. 2. Skin Safe Design: The precision engineering of these drill bits allows for efficient nail buffing without causing any harm to the skin around the nails. 3. Versatile Use: Compatible with various electric grinders, these drill bits are versatile accessories, ideal for multiple nail care operations such as nail art, nail filing, and nail polish removal. 4. Efficient Buffing Results: The meticulously designed grinding heads of these nail drill bits work swiftly and efficiently, providing smooth, shiny, and polished nails after every use. 5. Reliable and Resilient: With their premium tungsten steel composition, these drill bits are not only highly effective but also long lasting, ensuring a reliable nail care solution. Specification: Item Type: Nail Grinding Head Material: Tungsten Steel . Package List: 7 x Drill Bits 7 x Storage Box