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    Proto 3/8? Drive T40 Torx Bit Socket

    Part #: SB-J5239-40W

    The Proto J5239-40W is a precision 3/8-inch drive Torx® bit socket fashioned from Chrome-alloy steel with a polished finish and designed for demanding fastening applications. It features a Torx T40 tip, a two-piece replaceable bit design, and an overall length of 1-23/32? (approx 1.72?). Built to Proto’s industrial standards, it integrates seamlessly with ratchets, breakers, and powered drives for professional use.