Kobalt Standard (SAE) 1/4-in Drive 8-point 5/16-in Shallow Socket

Can be used on both hex and square fasteners. Constructed from 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 specifications. Hassle-free lifetime guarantee.