Kobalt 3/8-in Drive Hex Bit Metric Driver Socket

3/8-inch drive, long hex key with ball end, size 6mm. Extended shaft and ball feature provide easier access to restricted work spaces. Ball end provides up to 15° of pivot. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high polish finish. Size callout is hard stamped. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.