Kobalt Metric 1/2-in Drive 18mm 6-Point Impact Socket

Intended for use with an impact tool to provide maximum installation of heavy duty fasteners. 6-point socket design helps prevent slippage and rounding off your fastener. Constructed from chrome vanadium steel and heat treated for strength and durability. Durable black oxide finish. Size callout is laser etched. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.