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The PROTO J5546 is a 12-point hand socket designed for professional mechanical and industrial service work. Built from alloy steel with a chrome-plated finish, it accepts a 3/4 inch drive and fits a 1-7/16 inch fastener. The socket is standard length at 2-13/32 inches overall, making it a straightforward choice for accessing bolts and nuts in general-purpose applications. It meets ASME B107.110-2012 and SAE AS954G standards, which are common quality benchmarks for professional-grade hand sockets. Licensed trades and maintenance technicians working on heavy equipment, machinery, and structural fasteners will find this a reliable fit for regular service tasks.
This socket is suited for use in commercial, industrial, and fleet maintenance environments where 3/4 inch drive tooling is standard. The 12-point design allows engagement at 30-degree intervals, which provides more contact positions in tight quarters. Standard-length geometry keeps it compatible with common 3/4 inch drive ratchets, breaker bars, and torque wrenches used by mechanics and millwrights.
Designed as a standard 3/4 inch drive hand socket for use with 3/4 inch drive ratchets, breaker bars, extensions, and torque wrenches in professional hand-tool applications.
This socket is installed and operated by mechanics, millwrights, and maintenance technicians using standard 3/4 inch drive hand tool equipment. Verify that the drive tool and socket are fully seated before applying torque. Inspect the socket for cracks or wear before each use, and do not use impact-rated tools with a socket that is not rated for impact service.
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