Gorilla Automotive 48023N Ball 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>2.50" Overall length/1.55" Thread length</li><li>Ball seat</li><li>Set of 4 bolt locks</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51SKaIWAQrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4110cogCxWL.jpg" noproxy>