1/4" Drive 1/4"F X 3/8"M Adapter

Our Socket Adapters with FOUR FLAT™ Sides are designed from the ground up to be part of the most versatile socket family. Milwaukee™ adapters feature an innovative design with four parallel flat sides, which deter rolling and are wrench-compatible. The drive sizes are laser etched onto the adapter providing you with improved, easy-to-read visibility. Chrome plating offers corrosion and rust protection. All Milwaukee Mechanics Hand Tools are backed by a lifetime guarantee.

  • FOUR FLAT™ Sides deter rolling
  • FOUR FLAT™ Sides feature wrench-ready design
  • Secure Socket Retention
  • Easy to Read Size Identification
  • Increases Drive Size From 1/4" to 3/8"
  • Corrosion Resistant
  • Chrome Plated
  • Rust Protection
  • Lifetime Guarantee
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Product Specifications

Magnetic No
Socket Type Square
Length 0.44 in
Weight 0.04 lb
Height 1 in
Width 0.44 in
Output Drive Size 3/8"
Input Drive Size 1/4"
Material Composition Chrome Vanadium Steel
Drive Size 1/4 in