Kobalt Metric 3/8-in Drive 6-point 20mm Shallow Socket

6-Point socket design helps prevent slippage and rounding off your fastener. 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.