TEKTON 14233 1/2-Inch Drive by 21 mm Shallow Socket， Cr-V， 12-Point<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>12-point opening smoothly slides onto hex-shaped fastener heads at twice as many angle positions as 6-point sockets</li><li>Advanced design shifts contact away from corners onto flat sides to reduce the chances of round off</li><li>Shallow well and slim walls allow socket to fit into tight， narrow spaces</li><li>Detent notches in drive end lock onto ratchets and extensions</li><li>Made from premium chrome vanadium steel with a durable mirror chrome plated finish</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31ngFAe%2B36L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41m8NPqpunL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31bcAp7iCRL.jpg" noproxy>