Milwaukee 1/4" Drive 5-mm Deep Socket w/ FOUR FLAT™ Sides is designed for versatility. This socket features four parallel flat sides that help prevent rolling and provide wrench-ready capabilities, making it easier to use in various applications. The size is clearly stamped on the socket for quick and easy identification. Its optimized geometry reduces bolt rounding and stripping, ensuring a secure fit and longer tool life. This standard socket is an essential addition to any toolbox, combining durability and practical design for professional and DIY users alike. Model Number: 45-34-9042