Hustler SSM1 Ss Professional Ball Mount And Spring<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Comes with SSM-2 Stainless steel ball mount and SSM-3 Stainless steel Spring </span></li><li><span class="a-list-item"> 180 degree adjustable reinforced stainless ball </span></li><li><span class="a-list-item"> C backup plate allows external installation </span></li><li><span class="a-list-item"> Supplied with all mounting hardware </span></li><li><span class="a-list-item"> Applicable with all 3/8 x 24 thread antennas </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31H8lQ8qDRL.jpg" noproxy>