The KNIPEX HZ8801K-4 Screwdriver Socket is a high-quality 4mm socket made from durable chrome vanadium steel, ensuring exceptional strength and longevity. Its compact design allows for easy access in tight spaces, making it perfect for automotive and electrical applications. The polished chrome finish provides excellent corrosion resistance, ensuring the socket remains in top condition. This socket is compatible with standard ratchets and meets ANSI standards, making it a reliable choice for both professionals and DIY enthusiasts.