The MILWAUKEE 3/8" Drive 21MM Metric 6-Point Standard 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.

• 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
• Standard Depth Socket
• Lifetime Guarantee

Weight	0.2 lb
Height	3.50 in.
Horse Power	1/3
Length	1.80 in.
Width	1.10 in.
Inventory Number	MIL45348021
MPN	45-34-8021