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The PROTO J5207M is a 7 mm, 12-point hand socket designed for professional-grade fastener work across mechanical, industrial, and trade applications. Built from alloy steel with a chrome-plated finish, this socket delivers corrosion resistance and durability under regular shop use. It fits a 3/8 inch drive ratchet or breaker bar and measures 1-3/32 inches in overall length. The 12-point design increases the number of engagement positions, making it useful in tight quarters where swing arc is limited. Mechanics, millwrights, and general maintenance technicians reaching for metric fasteners will find this a reliable daily-use socket.
This socket is suited for residential, commercial, and light industrial maintenance tasks requiring a 7 mm metric fastener drive. Common applications include equipment assembly, automotive work, HVAC panel fasteners, electrical enclosure hardware, and general mechanical maintenance. Its compact overall length makes it practical in confined spaces where larger sockets or deep wells are not needed. The 3/8 inch drive is a standard size in most professional socket sets, integrating easily into existing tool inventories.
Designed as a standard 3/8 inch drive, 7 mm metric hand socket compatible with 3/8 inch drive ratchets, torque wrenches, and extensions from any manufacturer following ASME B107.5 drive interface standards.
Used by mechanics, maintenance technicians, and trade professionals working with metric fasteners. Ensure the socket is fully seated on the fastener before applying torque to avoid rounding. Inspect the socket and drive square for wear or cracks before use. This socket is not tether capable and should not be used in elevated work environments where dropped-tool controls are required.
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