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The PROTO J4709N is a 9/32 inch, 12-point hand socket designed for use with 1/4 inch drive ratchets and extensions. Built from chrome-plated steel, this standard-length socket measures 1-15/64 inches overall and weighs 0.02 pounds. The 12-point design allows for engagement at more rotational positions, which is useful in tight or obstructed fastener locations. It meets ASME B107.110-2012, AS4984A, and SAE AS954G standards, making it a code-compliant choice for professional toolkits. Licensed tradespeople and technicians across HVAC, plumbing, electrical, and mechanical service work rely on sockets like this for panel work, equipment access, and fastener removal in confined spaces.
This socket suits residential and commercial service applications where 9/32 inch fasteners are common. It is appropriate for use in HVAC equipment panels, electrical enclosures, and general mechanical assemblies. The 1/4 inch drive size makes it compatible with compact ratchet sets that fit into tight service areas. Standard-length profile keeps it practical for most non-deep fastener applications encountered in day-to-day trade work.
Designed as an OEM-style replacement and standard fitment for 1/4 inch drive hand socket sets requiring a 9/32 inch, 12-point socket.
This socket is installed by mechanics, HVAC technicians, electricians, and plumbers as part of a 1/4 inch drive socket set. Always ensure the socket is fully seated on the fastener before applying torque to avoid rounding. Power down or de-energize equipment before accessing fasteners on electrical panels or HVAC components. Inspect the socket for cracks or wear before each use and replace if damaged.
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