The Snap-On JH Williams 4-2A 1/2-Inch female by 3/8-Inch male impact adapter has a 1/2-Inch drive, a black industrial finish, and an overall length of 2 1/4-Inches. It has been specially heat treated for impact use to provide long life, safety, and durability. It has a spring plunger that provides secure socket retention for safety and convenience and is suitable for use with pneumatic and electric impact wrenches.

Product Features

• 1/2-Inch female by 3/8-Inch male impact adapter
• 1/2-Inch drive
• Black industrial finish
• Spring plunger socket retention
• Suitable for use with pneumatic and electric impact wrenches