GreatNeck 1/2 Drive 1/2 Inch Female x 3/8 Inch Male Adapter

The GreatNeck 1/2 In. (F) x 3/8 In. (M) Adapter allows the user to convert a 1/2 in. drive socket for use on an alternate drive tool. The adapter is constructed from chrome vanadium steel for strength and durability. Non-impact, a chamfered drive end ensures a secure and quick engagement.