The GreatNeck 1/4 Inch (F) x 3/8 Inch (M) Adapter allows the user to convert a 1/4 inch drive socket for use on an alternate drive tool. The adapter is constructed from chrome vanadium steel for strength and durability. Designed for non-impact use, it features a chamfered drive end to ensure a secure and quick engagement.

Locking Ball Retainer to Hold Attachments in Place
Chrome Vanadium Steel for Strength and Durability
Chamfered Drive End
Non-Impact