The nail drill bit set is sturdy enough for your use, the sanding heads are nail art tools that are applicable for both men and women. Great for natural nails as well as artificial nails, perfect as tools for any beginner or professional manicurist. Features -Color: As shown -Material: Ceramic, tungsten steel, diamond, nylon, rubber -Ceramic Nail Drill Bits Size: 3.80X1.40X0.62cm/1.49X0.55X0.24 in. -Polished Nail Drill Bits Size: 3.80X0.76X0.28cm/1.49X0.29X0.11 in. -Finishing Nail Drill Bits Size: 3.23X1.30X0.23cm/1.27X0.51X0.09 in. -Rubber Nail Drill Bits Size: 2.10X1.60X0.60cm/0.82X0.62X0.23 in. -Brush Size: 4.10X1.01X0.71cm/1.61X0.39X0.27 in. - They are professional nail art tools, can be applied for professional salons or personal home. - The nail drill bits tools are sturdiness, hard-wearing and durable for your long-term use. - Features the premium and sturdy material, the nail drill bit set has high durability, not easy to deform. - The nail drill bit set will be great for any professional manicurist or beginner. - You will not be injured during manicure. Simple structure design, but practical to use. Package list: 6 x nail drill bits 1