Crescent CIMS35 1/2" Drive， 21mm Deep Impact Socket - 6 Point</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Corrosion resistant black oxide coating</li><li>Laser markings for easy identification</li><li>Exceeds ASME specifications</li><li>For Use With Impact Drivers</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31wka%2BbAi0L.jpg' noproxy></br>