- Universal compatibility: Designed to fit all 1/4" hex shank screwdriver bits, this flexible shaft head easily attaches to hexagonal shank (1/4") handles, making it a versatile addition to your toolkit. - Enhanced protection: The flexible outer shield safeguards your hands while the inner shaft rotates, ensuring safe and comfortable use, whether you're using a manual hand drill or an electric screwdriver. - Ideal for tight spaces: Perfect for tasks involving computer chassis, electrical cabinets, furniture assembly, and other narrow areas where traditional tools may not reach. - Strong magnetic bit holder: The robust magnetic design securely holds any hex shank insert bit, allowing for quick and easy bit changes without compromising grip or stability. Use scenarios: 1. Effortlessly assemble flat-pack furniture by using the flexible shaft to navigate tight corners and awkward angles. 2. Safely install or modify computer components within a chassis with ease, thanks to the protective shield and flexible design. 3. Efficiently work on electrical cabinets or appliances, ensuring that every screw is accessible and securely fastened. This tool combines function, compatibility, and performance, making it an essential addition for both DIY enthusiasts and professionals.