The EKLIND TOOL COMPANY Ball-Hex Shafts 1.3 MM x 4 Inch are designed for precision fastening in 1.3mm hex screws. These shafts feature a ball end for easy access to screws at an angle, making them ideal for tight spaces. Constructed from high-quality steel, they offer durability and a secure fit. With a length of 4 inches, these shafts are compatible with standard bit holders and power tools, providing versatility for various applications. This product meets ANSI standards, ensuring reliability and performance for both professionals and DIY enthusiasts.