Proto 3/8-Inch Drive Torx Bit Socket T55 | PRO5239-55W
The Proto PRO5239-55W is a 3/8-inch drive Torx bit socket designed for T55 fasteners, featuring a permanent magnetic bit retainer that securely holds the bit in place during use. Built for...
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Create A New AccountThe Proto PRO5239-45W is an industrial-grade Torx bit socket designed for professional and MRO applications. Built to handle demanding fastening tasks, this T45 socket provides a precise fit on Torx fasteners to minimize slippage and cam-out during use.
With a 3/8" drive, it integrates seamlessly with standard ratchets, extensions, and torque wrenches, making it a reliable addition to any industrial or maintenance toolset.