【Premium Material】Made of superior tungsten carbide ceramic material, these nail art tools are hard-wearing, sharp, and durable and also crafted with delicate. High-quality material and rigorous test design, create less dust with little friction and heat, protecting the skin from overheating harm. | 【7 Different Shapes】Comes with 1pcs coarse large barrel bits, 1pcs medium barrel ball bits, 1pcs coarse torch cylinder bits, 2pcs fine diamond bits, 1pcs fine ball bits, 1pcs brush bits. these nail art tools have the optimum strength, sharpness, durability, and the vibration-with a powerful cutting ability and free filing consistency you need, all while producing minimum friction which causes heat. To protect from overheating damage with heat resistance. | 【Easy to Clean and Safe for Nails】The tungsten carbide material will not rust and prevent corrosion. The smooth surface is easy to be cleaned with water after each use, It is so important to keep your and your client’s nails healthy. | 【Universal Size】Design with 3/32" universal shank size(2.35mm), suitable for most electric or rechargeable manicure nail file machines. Portable and lightweight for both personal and family use anytime and anywhere. | 【Multifunctional Used】It is ideal for nail beautify, nail polishing, nail clear and care, peeling, etc. You can sharpen, grind, neaten, carve, smoothen, polish, and reshape gel and acrylic nails, and remove the gel nail or dead skin.