Kobalt Metric 3/8-in Drive 6-point 5/16-in Shallow Socket

12-point box end allows work on multiple fasteners including 6-point, 12-point, spline, star, square and some rounded. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high-polish finish. Size callout is laser etched. Red color stripe helps identify SAE sockets. Meets or exceeds ASME standards. Hassle-free lifetime guarantee.