Silverline 1/2" Drive 21mm 12 Point Metric Deep Socket

Deep 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 provides grip and control in the hand, and bearing hole provides solid connection to the tool