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

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