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The PROTO J77510MP is a 12-point impact socket designed for use with 3/8 inch drive impact wrenches and ratchets. Built from alloy steel, this socket measures 10mm in size with an overall length of 2 inches. The 12-point configuration provides multiple engagement positions on fasteners, making it practical in tight or awkward access situations. It meets ASME B107.2 standards, which sets dimensional and performance requirements for impact sockets. Licensed tradespeople and experienced mechanics reach for this socket on fastener removal and installation tasks where impact-rated tooling is required.
This socket is suited for automotive, mechanical, and industrial applications where a 3/8 inch drive, 10mm impact socket is needed. Common install scenarios include engine bay work, chassis fasteners, equipment assembly, and general mechanical service. Its universal style and compact 2-inch overall length make it a practical fit in confined spaces. It is appropriate for both shop and field use by automotive technicians, millwrights, and maintenance mechanics working with metric fasteners.
Designed as an OEM-style replacement or direct-fit impact socket for use with 3/8 inch drive impact wrenches, air ratchets, and hand ratchets requiring a 10mm metric socket.
This socket is installed and operated by automotive technicians, mechanics, and maintenance professionals using 3/8 inch drive impact tools. Confirm the socket is fully seated on the drive anvil and fastener before applying torque. Inspect the socket for cracks or wear before each use and remove from service if damage is found. Impact sockets are not rated for use with hand tools and should not be substituted with standard chrome sockets on impact drivers.
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