FireStik SS-3M Medium Duty Stainless Steel Spring<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Medium Duty Stainless Steel Antenna Spring </span></li><li><span class="a-list-item"> 3-Inches Long </span></li><li><span class="a-list-item"> Antenna Connector: 3/8" x 24 Thread </span></li><li><span class="a-list-item"> Cable Connector: UHF-Female (SO-239) </span></li><li><span class="a-list-item"> Can be used with stick antennas up to 2-foot high. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21XqV6UP4IL.jpg" noproxy>