General description This 1/2" square drive extension bar is designed to extend the reach of your socket wrench. Made from high-quality chrome vanadium steel, it is hardened, tempered, and chrome plated to resist corrosion. The extension bar features a spring-loaded ball bearing to securely hold sockets in place during use, making it suitable for professional applications. Technical specifications Length: 250mm Drive size: 1/2 inch Material: Chrome vanadium steel Finish: Chrome plated for corrosion resistance Standards: DIN 3123 Form D / ISO 3316 Compatibility and accessories Compatible with 1/2" drive sockets and ratchets (sold separately) Installation Insert the extension bar into your socket or ratchet drive Ensure the spring-loaded ball clicks into place for secure attachment Usage Use to extend the reach of your socket wrench for hard-to-access areas Apply appropriate torque and avoid overloading to prevent damage Other information Professional quality, manufactured from chrome