Proto® Plain impact socket adapter comes with 3/8″ female drive and 1/2″ male drive. Adapter has a 3/8 drive and is precision machined and heat-treated to provide best combination of hardness, tensile strength and torque strength.
- Drive size: 3/8-inch
- Size: 3/8-inch Female x 1/2-inch Male
- Length: 1 5/16-inch
- Material: Alloy Steel
- Finish: Black Oxide
- For electric or air powered drive tools
- Heat-treated



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