Milwaukee 21 mm X 1/2 in. drive Metric 6 Point Socket 1 pc

The Milwaukee 1/2 in. drive metric 6-point sockets with four flat sides are designed from the ground up to be part of the most versatile socket family. Milwaukee sockets feature an innovative design with four parallel flat sides, which deter rolling and are wrench-compatible. The socket sizes are stamped into the flats providing you with improved, easy-to-read visibility. These deep and standard socket sizes have optimized geometry to reduce bolt rounding and stripping.