- This 150-piece HSS mini micro power drill bit set features a diameter range of 0.4 to 3.2mm, making it the perfect solution for small and precise drilling tasks. - Constructed from high-speed steel (HSS), these drill bits provide superior sharpness and long-lasting durability, ensuring efficient performance for all your drilling needs. - With its precision twist design, this kit is ideal for applications requiring extreme accuracy, such as jewelry making, electronics assembly, and model building. - The set comes with a sturdy plastic carry case, offering secure storage and easy access to keep your drill bits organized and protected. - Perfect for both DIY enthusiasts and professionals, this versatile drill bit set allows you to achieve precise holes effortlessly, further enhancing your project outcomes. - Use this drill bit set for small-scale woodworking projects, intricate metalwork, or to tackle repairs around the home where precision is essential. - Enjoy the convenience of having a wide range of sizes in one kit, ensuring you have the right bit on hand for any specific task.