Milwaukee 3/8" Drive 1/4" Standard Socket w/FOUR FLAT™ Sides is designed for versatility. It features four parallel flat sides that help prevent rolling and provide wrench-ready capabilities for added convenience. This socket is clearly stamped with its size, making it easy to quickly identify the right tool for the job. The deep socket design includes optimized geometry to reduce the risk of bolt rounding and stripping, ensuring a secure and reliable fit every time. Model Number: 45-34-9060