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The Proto Black Oxide Double Box Wrench with MPN J1139B is designed for professionals needing reliable tool performance. This wrench has an opening of three-quarters of an inch by seven-eighths of an inch, suitable for various fasteners.
The Proto J1139B is engineered for maximum efficiency in automotive and industrial applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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