General description This 10pcs 6-15mm Screwdriver Bit Adapter set is designed for versatility and efficiency, making it an essential tool for both DIY enthusiasts and professionals. Made from high-quality chrome vanadium steel (CR-V), these adapters offer excellent abrasion resistance and extreme hardness, ensuring a long lifespan. The set includes various sizes and shapes to perfectly fit your tools, providing a reliable connection for a wide range of applications. Technical specifications Material: Chrome vanadium steel (CR-V) Size range: 6-15mm Usage Ideal for electric screwdrivers, drills, pneumatic screwdrivers, pneumatic drills, and manual screwdrivers Suitable for DIY projects, professional repairs, and more