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SktExtension, Chr, 6P21mm, Chrm, 0.375in MPN:45-34-8041

Discount: See in Cart
Out Of Stock
Brand: Milwaukee
Part #: 45-34-8041
UPC: 045242615919
SKU
510-G214923314
$73.74 for Order Qty of 6
Regular Price $17.21 Special Price $12.29

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SktExtension, Chr, 6P21mm, Chrm, 0.375in

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.


  • 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

Additional Information

  • Country of Origin: CN
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 1.80
  • Package Width: 1.10
  • Package Height: 4.90
  • Package Weight: 0.40
Product info last updated on February 5, 2026 12:08am UTC
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Out of stock