The EKLIND 4 MM Hex Loop Replacement Key is 2.6 inches long, designed for easy handling and efficient torque application. Made from high-strength materials, this key ensures durability and longevity in demanding environments. Its loop design allows for a secure grip, making it ideal for various fastening tasks. This replacement key is compatible with a range of hex fasteners, making it a versatile tool for both professionals and hobbyists. Whether you're working on machinery or assembling furniture, this key provides the reliability you need.