Milwaukee 3/8" Drive 21mm Deep Socket

Overview Milwaukee’s 3/8" Drive 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. We back all Milwaukee’s sockets with a lifetime guarantee. At a Glance Manufacturer part number: 45-34-8041 UPC: 0004524261591 Package: Sold individually. Product Benefits FOUR FLAT™ Sides deter rolling FOUR FLAT™ Sides deter rolling Wrench-ready FOUR FLAT™ sides Wrench-ready FOUR FLAT™ sides Stamped Sizes for Better Visibility Stamped Sizes for Better Visibility Chrome Finish Chrome Finish Optimized Geometry to prevent rounding Optimized Geometry to prevent rounding Before You Order Use the compatibility information in the overview to confirm the intended Milwaukee tool or system before ordering.