Gorilla Automotive 47179NBC(Black) Cone Seat Bolt Locks (12mm x 1.50 Thread Size)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>12mm x 1.50 Thread size</li><li>17mm Hex size</li><li>2.09" Overall length/1.10" Thread length</li><li>Cone seat</li><li>Set of 4 bolt locks</li></ul></div><img src="http://ecx.images-amazon.com/images/I/516kfL6d5mL.jpg" noproxy>