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The GEARWRENCH 80378 is a 6-point metric hand socket designed for 3/8 inch drive ratchets and extensions. Built from alloy steel with a chrome-plated finish, it delivers clean torque transfer on 10 mm fasteners without rounding corners. The 6-point geometry contacts the flats of the fastener head rather than the corners, reducing fastener damage during high-torque applications. At 0.984 inches overall length, this is a standard-length socket suited for general-purpose work in engine bays, chassis, and equipment panels. It meets ANSI and ASME B107.5M standards and carries a lifetime replacement warranty. Automotive technicians, fleet mechanics, and industrial maintenance pros will find it a reliable everyday addition to a 3/8 inch drive set.
This socket fits standard 3/8 inch drive ratchets, breaker bars, torque wrenches, and extensions. The 10 mm size is one of the most commonly encountered fastener sizes in automotive and light equipment work, appearing on engine covers, brackets, battery terminals, and interior hardware. The tether-capable design supports use in elevated or drop-hazard environments where tool retention is required. The chrome-plated alloy steel construction resists corrosion and cleans easily with shop solvent or a rag.
Designed as a standard 3/8 inch drive metric socket compatible with any 3/8 inch drive ratchet, torque wrench, breaker bar, or extension following ANSI drive tool standards.
Installation and removal of fasteners should be performed by a qualified mechanic or technician familiar with applicable torque requirements for the specific application. Ensure the socket is fully seated on the fastener before applying torque to prevent slippage or fastener damage. Do not use hand sockets with impact drivers unless the socket is rated for impact use. Inspect the socket for cracks or wear before each use and replace if damage is found.
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