The MILWAUKEE® 3/8" Drive 21MM Metric 6-Point Deep Well Socket with FOUR FLAT™ Sides was designed from the ground up to be part of the most versatile socket family. The 3/8" drive sockets feature an innovative design with four parallel flat sides, which deter rolling and are wrench-compatible. The metric socket sizes are stamped into the flats providing improved, easy-to-read visibility. This deep well socket has been optimized geometry to reduce bolt rounding and stripping. Milwaukee backs their 3/8" Drive Metric Sockets with a lifetime guarantee.
Features:- FOUR FLAT™ Sides deter rolling
- Wrench-ready FOUR FLAT™ sides
- Stamped Sizes for Better Visibility
- Chrome Finish
- Optimized Geometry to prevent rounding
- 6 Point Socket
- Corrosion Resistant
- Deep Well Depth Socket
- Lifetime Guarantee
