Shakespeare 5187 Stainless Steel Custom Antenna Mount<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Ratchet Mount</li><li>Stainless steel</li><li>1"-14 threaded mount</li><li>Streamlined beauty has standard 1"-14 threads and a special cable slot that is large enough to accept most factory installed connectors</li><li>Stainless steel construction</li><li>Standard 1"-14 thread (male)</li><li>Bolt holes: 5/16" dia.， 3" x 1-1/2" on center (hardware not included)</li><li>Slot for cable feed-through</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41sjhORwRTL.jpg" noproxy>