<Nail Drill Bit Tungsten Carbide SteelThe nail drill bit sets are made from superior tungsten carbide material, which is durable and tough. Especially the excellent heat dissipation for faster cooling during high speed and long time rotation which can be used more than thousand times for home salon. Compatible with Most Nail DrillsUniversal 3/32" (2.35mm) stainless steel shank perfectly fits most electric nail drills on the market. The nail bit sets are fixed in a mini case that you can easily put in your pockets or bags. Professional Nail Drill Bit KitOur drill bit kit This electric nail file tool is equipped with 10 different tungsten carbide drill bits to meet your grinding needs on different nail areas. Different combinations of nail tips can cut and polish natural nails, especially for removing cuticle on edges, side walls and dead skin. Box of StorageThe compact plastic case is used for storage, so your drill bits are not only organized, safe and dust-free, but also convenient to take with you. This nail punch kit is suitable for both natural and artificial nails and is an ideal tool for manicurists or beginners. Ideal GiftWith modern appearance, beautiful and high quality. The manicure set, suitable for manicure, pedicure and nail or dead skin removal, is an ideal gift for family and friends. Specification: Material: tungsten steel carbide Color: multicolor. Package Include:10*nail sander bits