FIRESTIK R-3H CB RADIO ANTENNA SPRING CHROME PLATED HEAVY DUTY<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> HEAVY DUTY CHROME PLATED SPRING </span></li><li><span class="a-list-item"> 3/8" X 24 ANTENNA THREADS </span></li><li><span class="a-list-item"> FOR ANTENNAS UP TO 60" TALL </span></li><li><span class="a-list-item"> SPRING IS ABOUT 3" TALL </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uZwIDqImL.jpg" noproxy>