Heat Treatment Technology : For shock resistance and increased durability in demanding environments. Universal Compatibility : Works with various quick change chucks and hex tools, suitable for any project. Hexagonal Shank : Ensures a non-slip connection in drill chucks, providing stability and control. Versatile Set : Whether you're a DIYer or a professional, this set has everything you need for efficient work. Industrial Grade Material : Composed of high-quality 45 steel, CRV, and 60mm S2, ensuring toughness and longevity. Personalized Style: Imagine a tool that understands your needs, a tool that adapts to your every project. Our Quick Release Magnetic Drill Bit Extension is just that. Customized to perfection, it's made from 45 steel, CRV, and 60mm S2, materials chosen for their exceptional strength. Say goodbye to slipping bits and hello to a secure fit. With its heat treatment, it's ready for the toughest jobs. Make your drilling dreams come true today!