Milwaukee 3/8" Drive 19-mm Deep 6-Point Socket w/ FOUR FLAT™ Sides is designed for versatility and durability. Featuring the innovative FOUR FLAT™ Sides, this socket prevents rolling and is wrench-ready, making it convenient for various tasks. Its optimized geometry helps reduce bolt rounding and stripping, ensuring a secure fit and longer tool life. For easy and quick identification, the metric socket size is clearly stamped into the flat surface, enhancing usability on the job. Model Number: 45-34-9089