DISB Desmond Index stop bar for Arca /RRS Compatible ideal Nodal Rail (2)<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"> Desmond Brand </span></li><li><span class="a-list-item"> one piece CNC cutting machined </span></li><li><span class="a-list-item"> Arca-Swiss / RRS Compatible. </span></li><li><span class="a-list-item"> Use to mark your no-parallax (nodal) point or as a safety stop </span></li><li><span class="a-list-item"> Nylon thumb screw allows for easy adjustments. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wTFCdtXlL.jpg" noproxy>