1Premium Material: Nail grinding head is made of premium material to ensure long lasting use and resistance to damage. This premium material is super strong and resistant to wear and tear, ensuring that the nail grinding head lasts for years. 2Multifunctional Accessory: Nail drill bits are suitable for all kinds of electric grinders, convenient for manicure, pedicure and nail removal. Simplifies the nail care process and increases efficiency. 3Skin Friendly Design: Nail tungsten carbide drill bits are precisely designed to grind the nail appearance well without damaging the skin. It ensures that no skin abrasion or damage is caused while polishing the nails. 4Efficient Grinding Effect: The accurate design of the grinding bit can quickly and efficiently grind the nail appearance, leaving nails smoother and more brilliant. It can maximise its polishing function and slick the nail appearance quickly and efficiently. 5Long Lasting Durability: The nail polish head has been rigorously tested and verified to ensure reliable product quality for long time use. Its sturdy construction and reliable performance make it a long lasting tool that users can rely on. 2 x Grinding Head 2 x Storage Box