Milwaukee 1/2" Drive 13-mm Standard 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 your work more efficient. It is stamped with its size for quick and easy identification, saving you time on the job. The deep socket's optimized geometry reduces the risk of bolt rounding and stripping, ensuring reliable performance and durability. Model Number: 45-34-9114