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The PROTO J77410MP is a 10mm 6-point impact socket designed for 3/8 inch drive impact wrenches and ratchets. Built from alloy steel, it delivers the toughness needed to handle high-torque fastener work without cracking or rounding out drive interfaces. The 6-point geometry provides maximum contact on fastener flats, reducing the risk of slippage under load. At 2 inches overall length, this socket fits into standard access areas on engines, chassis, and mechanical assemblies. It meets ASME B107.2 specifications, confirming dimensional and performance compliance. Mechanics, maintenance technicians, and heavy-equipment service professionals rely on this socket for production and field work alike.
This socket is suited for automotive, industrial, and general mechanical service applications where a 10mm fastener and 3/8 inch drive tool are standard. It performs in both air-powered and electric impact tool setups. The universal style design makes it a practical choice for shop use, fleet maintenance bays, and mobile service environments where a reliable, code-compliant socket is required for everyday fastener removal and installation.
Designed as an OEM-style replacement and standard-use impact socket for 3/8 inch drive impact wrenches, air ratchets, and hand ratchets requiring a 10mm 6-point socket.
Installation and use of impact sockets should be performed by qualified mechanics or service technicians familiar with impact tooling. Always verify the drive size of your impact tool matches the 3/8 inch drive of this socket before use. Do not use impact sockets with standard hand-drive ratchets beyond their rated torque, and never use standard chrome sockets in place of impact-rated sockets with pneumatic or electric impact tools. Inspect the socket for cracks or wear before each use and replace if damage is found.
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