Kobalt Metric 3/8-in Drive 6-point 17mm Deep Socket

6-point socket design reduces risk of slippage and rounding off your fasteners. Constructed of chrome vanadium steel and heat treated for strength and durability. Professional grade, high polish finish. Size callout is laser etched. Blue color stripe helps to identify metric sockets. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.