Dorman 814-065 Castle Hex Nut - 9/16-18， Pack of 4<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Thread size: 9/16-18 inch</li><li>Hex size: 7/8 inch</li><li>Height: 39/64 inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51srbD-nCWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51gPMn4IfpL.jpg" noproxy>