GearWrench 3/8” drive 6 point metric mid length sockets are designed for access to difficult fasteners. The GearWrench mid length socket feature’s Surface Drive technology which reduces fastener rounding, a chamfered opening to guide fastener into the socket, and large hard-stamped size identification. Also featured are the double line (SAE) and knurled (metric) ring to easily identify standard vs. metric sockets. The full polish chrome finish on the GearWrench 3/8” metric sockets cleans easily and resists corrosion. Meets or exceeds ASME B107.5M.