Desmond D2X30 30mm Dual Double Subtend Clamp Arca Compatible Under &amp; Over<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"> Under and over independant Arca clamps. </span></li><li><span class="a-list-item"> will accommodate any Arca style plate from various makers including: Really right stuff (RRS)， Wimberley， Arca Swiss， Kirk Enterprises， Markins， etc. </span></li><li><span class="a-list-item"> 30mm (1.2") in Length. </span></li><li><span class="a-list-item"> 3/8"-16 thread with metal 1/4"-20 Adapter </span></li><li><span class="a-list-item"> Weighs just 94g (3.3oz) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Iccz9DA2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31-VHsoNzLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DjZkQjAGL.jpg" noproxy>