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