The KNIPEX HZ990S-18 Impact Screwdriver Socket is an 18mm socket designed for high-performance impact applications. Constructed from high-grade chrome vanadium steel, it offers exceptional durability and resistance to wear. The polished chrome finish ensures corrosion resistance, making it suitable for various environments. This socket is compatible with standard impact wrenches and ratchets, providing versatility in use. Adhering to ISO standards, the HZ990S-18 is a reliable tool for both professional and DIY projects, ensuring efficiency and effectiveness.