Features: Effortlessly convert your 6.35mm to a 4mm with the Hex Screwdriver Adapter Set, designs for seamlessly compatibility and enhancing efficiency across various tool. Use selected steel, these adapter is strong and practical , featured precision engineering that ensures a tight suited and smooth operation. Great for professional repair technicians, craft enthusiasts, and everyday home maintenance users, this set meet diverse needs with ease. Perfect for a wide ranges of applications, home repairs, electronic assembly, and automotive maintenances, offering conveniences and speed in every tasks. Enhancing your toolkit with these screwdriver adapters, ensuring you have the right connection for any project, backed by quality craftsmanships and reliable performances. Specifications: Component: Steel Product Dimension: As pictures shown Package Includes: 1 Set Bit Adapter (6pieces) note: Please allow 1-2cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item.