Milwaukee 1/2" Drive 12-mm Deep Socket w/FOUR FLAT™ Sides is designed for versatility and convenience. This deep socket features four parallel flat sides that help prevent rolling, making it easy to use with a wrench when needed. The socket size is clearly stamped for quick identification, enhancing efficiency during work. Its optimized geometry is engineered to reduce bolt rounding and stripping, ensuring a secure grip and longer tool life. This reliable socket combines practical design with durable construction to meet the demands of both professional and DIY users. Model Number: 45-34-9136