Grey Pneumatic 1138AL Female x Male Drive Adapter with Locking Pin - 3/8 1/2

The Grey Pneumatic 1138AL is a professional-grade drive adapter designed to convert 3/8" drive tools to accept 1/2" drive sockets. Constructed from premium chrome-molybdenum steel alloy, this adapter delivers exceptional strength and durability for demanding automotive, industrial, and mechanical applications.

Key Features:

• 3/8" female drive to 1/2" male drive conversion
• Spring-loaded locking pin retention system for secure socket attachment
• High-quality chrome-molybdenum steel construction for superior strength
• Easy socket release mechanism—simply insert a tool through the retainer hole and press the pin
• Precision engineered to meet the highest industry specifications
• Backed by Grey Pneumatic's lifetime warranty

The innovative locking pin retainer system provides reliable socket retention during use. To attach a socket, align the spring-loaded pin with the socket's retainer hole and press firmly. The secure connection prevents accidental socket separation while working. This professional adapter is ideal for technicians and mechanics who need versatile drive size compatibility in their tool collection.