1[Versatile Accessories] Featuring 4 different types of nail grinding heads, this set caters to various needs, providing versatility for different nail care tasks. 2[Accurate Grinding] The finely designed grinding heads can quickly and efficiently grind the nail surface, leaving nails looking smoother and brighter with minimal effort. 3[Safe and Gentle] These grinding heads effectively grind the nail surface without injuring the skin, ensuring a safe and comfortable manicure experience. 4[Tungsten Steel Material] Made from tungsten steel material, these nail drill bits are sturdy and long lasting, withstanding repeated use without easily wearing out. 5[Multi Purpose] Designed for use with various electric nail drills, these nail bits make it easy to perform manicures, filing, and nail removal, offering convenience and efficiency for nail care tasks. 4 xNailGrindingHead 4 x Storage Box