Material: ceramic, tungsten steel Package content: 1 piece of grinding head set (10pcs) 1.Lightweight and Easy to Carry: The professional nail drill kit comes with a box that can be used to store drilling tools. At the same time, it is light and portable and ideal for personal and family use anytime and anywhere 2.A Variety of Drills: 10 manicure polishing pens of different shapes and sizes can meet a variety of manicure needs, so you can experience the fun of DIY nail art 3.High quality durable material: The file drill set is made of high quality tungsten steel alloy material. High hardness, high temperature resistance, corrosion resistance, especially with excellent heat dissipation, durable 4.Multipurpose Use: Can be used to remove dead skin, barbs, pretreatment, polishing, sharpening, grinding, carving, nail removal, etc., and is the ideal tool for any professional manicurist or novice 5.Ideal giftNail art decoration tools are very suitable for your nail decoration, but are also the best gift for girlfriends, mothers, wives and daughters.