Kobalt Metric 1/2-in Drive 12-point 12mm Deep Socket

12-point design allows work on multiple fasteners including 6-point, 12-point, square, star and some rounded. 12-point design also allows flexibility and versatility in socket positioning. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high-polish finish. Blue color stripe helps identify metric sockets. Size callout is laser etched. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.