Kobalt Metric 3/8-in Drive 12-point 9mm Deep Socket

12-Point design allows work on multiple fastener types including 6-point, 12-point, square, star and some rounded. 12-Point socket 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. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.