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The PROTO J5214B is a 7/16 inch, 12-point hand socket built for professional fastener work in trade and industrial environments. It features a 3/8 inch drive and an overall length of 1-3/32 inches, making it a compact, precise fit for confined spaces. Constructed from alloy steel with a black oxide finish, this socket resists corrosion and surface wear under regular use. It meets ASME B107.1 standards for hand socket tools and carries a limited lifetime warranty. Mechanics, millwrights, HVAC technicians, and general trade professionals will find this a reliable addition to a standard socket set.
This socket is suited for residential and commercial maintenance, equipment assembly, and service work where a 3/8 inch drive ratchet or breaker bar is the preferred tool. The 12-point design engages fastener heads at multiple angles, reducing the need to reposition the socket in tight access areas. It is appropriate for use with standard 3/8 inch drive hand tools on 7/16 inch hex fasteners found across mechanical, HVAC, plumbing, and electrical panel applications.
Designed as a standard 3/8 inch drive hand socket for use with compatible 3/8 inch drive ratchets, extensions, and torque wrenches accepting 7/16 inch 12-point sockets.
Install and remove fasteners using a compatible 3/8 inch drive ratchet, torque wrench, or breaker bar. Always de-energize or shut off equipment before working on fasteners in electrical, HVAC, or mechanical systems. Inspect the socket for cracks or deformation before each use and do not use damaged sockets. This tool is not tether capable and should not be used in elevated work environments where dropped-tool hazards apply.
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