Features: Engineered with strong magnetic cores, this hexagonal bit securely holds screws during operate while maintaining compatibility with all standard 1/4inch hexagonal drive power tools. Featuring tool steel construction and precise concentricity design, it resists corrosions, reduces wobbling, and delivers 2x longer lifespans than conventional bits. Ideal for both professional contractors requiring heavy duty performances and enthusiasts seeking reliability home improvement tools. Perfect for quick screwdriving tasks in automotive repairs, furniture assembly, electronic device maintenance, and construction projects requiring frequent bit changes. Clear etched size markings enable instantly identification during fast paced jobs, while the upgraded magnetic tip prevents fastener drops in overhead or confined space applications. Specifications: Component: Steel, Features: Strong magnetic adsorption treatments, Wear-resistant,antirust design; Shank: 6.35mm Hexagonal Shank(suitable for standard power tools) Hexagonal bit 2Option Type; Suitable for home , maintenance and professional assembly operations, providing stable and reliability connection performances. Package Includes: 9pc Screwdriver Bit note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.