1 /2in Dr. 13/16in(20.6mm) Spark Plug Socket

Genius Tools Spark Plug Socket 20.6mm (13/16 Inch) 1/2 Inch Drive Chrome Vanadium Steel - 427021 Spark Plug Socket SKU: 427021. This 1/2 inch drive spark plug socket is sized at 20.6mm (13/16 inch) and built for consistent fit and controlled access around spark plugs. The 70mm overall length helps balance reach and handling when working in tighter engine bays. Made from chromium-vanadium steel alloy, it delivers high strength and durability with anti-corrosive properties. Size markings are stamped for quick identification and long-term organization in a professional tool setup. Key Benefits 20.6mm (13/16 inch) spark plug size on a 1/2 inch drive. 70mm overall length supports reach without sacrificing maneuverability in tight spaces. Chrome vanadium steel alloy for strength, durability, and anti-corrosion performance. Stamped size markings improve organization and fast identification in tool storage. High degree of movement helps reach difficult fasteners and awkward plug angles. Meets or exceeds ANSI standards for professional-grade hand tool performance. Designed for professional technicians and demanding everyday use, this socket focuses on durability, clear identification, and practical access where spark plugs are recessed or obstructed. It meets ANSI expectations and supports long service life through corrosion resistance and robust chrome vanadium construction.