Material: High-carbon steel Size: As shown Color: As shown 1. Made of high-quality alloy steel, it's wear-resistant and solid, suitable for a variety of power tools and drilling applications. 2. Modular design facilitates replacement and maintenance, improving work efficiency and reducing operating costs. 3. High-precision manufacturing ensures a perfect fit between the drill bit and the socket, enhancing stability and safety. 4. Suitable for machining various materials, such as metal, wood, and plastic, for a wide range of applications. 5. Anti-slip face enhances grip, effectively preventing slipping during use and improving the user experience. Package Includes: 1 package contains 1 set of products, including 9 drill bits/14 drill bits