The EKLIND TOOL COMPANY 5 MM Ball-Hex Loop Replacement Key measures 2.9 inches long, designed for precision fastening. Made from high-quality steel, this replacement key ensures durability and reliability in various applications. The ball-hex design allows for greater access to hard-to-reach screws, making it ideal for electronics and machinery. Its compact size fits standard hex drivers, and it meets industry standards for performance. Perfect for both professionals and DIY enthusiasts, this tool is an essential addition to any toolkit.