Milwaukee Tool - MILW 42-04-9111 3/8 in to 1/2 in Dr

The 3/8" Drive 3/8" F x 1/2" 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. Features: FOUR FLAT™ Sides deter rolling; FOUR FLAT™ Sides feature wrench-ready design; Secure Socket Retention; Easy to Read Size Identification; Increases Drive Size From 3/8\" to 1/2\; Corrosion Resistant; Chrome Plated; Rust Protection; Lifetime Guarantee