generic Compatibility: Standard hexagonal shank fits most power tools, offering wide adaptability for different user requirements and professional applications Anti Rust Black Coating: Special surfaces provides resistance, maintaining optimal and extending product lifespans Extended Reach Capability: The elongated design easily accesses deeper holes or confined spaces, providing superior flexibility for various complex applications Premium Steel Construction: Crafted from sturdy alloy steel for excellent wear resistance and durability, ensuring long lasting in demanding tasks Strong Design: Features built in powerful magnets to securely hold screws in place, drops and improving work efficiency, Manufacturer: ERRORY