The 1/4" Drive 1/4" F x 3/8" M Adapter with FOUR FLAT™ Sides is 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 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