Industrial Supplies

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Proto Hex Shank Extension, 7/16in (PTO7121)
- One piece construction ensures concentricity.
- Special heat treat ensures long life.
- Precision machined tips for proper fastener engagement.
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Proto Torqueplus Deep Impact Socket, 3/8 Drive, 9/16 Opening, 6-Point (PTO7718H)
- The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners.
- Proto Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials.
- The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners.
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