1/4in Drive 12pt Metric Sockets
12-point bi-hex socket for fast, accurate location to the fastener. Precision cold-forged, hardened and tempered chrome vanadium steel. Fully polished and nickel chrome-plated for durable corrosion resistance. Chamfered ends and thin walls for positive location on fastener. Knurled ring gives grip and control, and bearing hole provides solid connection to the tool.