Milwaukee 3/8" Drive 17-mm 6-Point Socket w/ FOUR FLAT™ Sides is designed for versatility and convenience. Featuring the innovative FOUR FLAT™ Sides, this socket prevents rolling and is ready to be used with a wrench, making it highly practical for various tasks. Its optimized geometry helps reduce bolt rounding and stripping, ensuring a secure grip and efficient performance. For easy and quick identification, the metric socket size is clearly stamped into the flat side of the socket, enhancing usability on the job. Model Number: 45-34-9087