Milwaukee® 42-04-9110 Adapter, 1/4 in Drive, 1/4 in Female x 3/8 in Male

The 1/4 in drive 1/4 in Female x 3/8 in Male 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.