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The PROTO J5329M is a 29 mm deep hand socket designed for 1/2 inch drive ratchets and breaker bars. It features a 12-point internal configuration machined from alloy steel with a chrome-plated finish for corrosion resistance. At 3.25 inches in overall length, it reaches fasteners recessed in deep bores, channels, or behind obstructions where standard-depth sockets cannot seat. Licensed mechanics, industrial maintenance technicians, and fleet service professionals use this socket for suspension, drivetrain, and equipment assembly work where metric fastener access is a common requirement.
This socket is suited for professional hand tool use in automotive, heavy equipment, and general industrial maintenance applications. The 29 mm size is commonly encountered in suspension components, axle hardware, and large metric fasteners on commercial vehicles and machinery. The deep-length profile allows it to engage fasteners on long studs or threaded rod without bottoming out. It is not rated for impact driver use and is intended for hand-operated drive tools only.
Designed as a standard 1/2 inch drive deep hand socket for use with compatible ratchets, extensions, and breaker bars requiring a 29 mm metric socket.
This socket is intended for hand tool use only — do not use with impact drivers or pneumatic tools unless the tool is explicitly rated for impact socket use. Verify fastener size before applying torque to avoid rounding. Inspect the socket for cracks or deformation before each use, and retire any socket showing visible wear to the drive square or point contact surfaces.
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