SIRUI K-40X 54mm Ballhead with Quick Release， 77.2 lbs Load Capacity<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"> 360-degree panoramic function </span></li><li><span class="a-list-item"> Easy and fast operation on all the knobs; locking is highly effective </span></li><li><span class="a-list-item"> Arca-Swiss type mount </span></li><li><span class="a-list-item"> Bubble level in both horizontal </span></li><li><span class="a-list-item"> vertical and radial axes </span></li><li><span class="a-list-item"> Safety button to prevent quick-release plate from slipping out by accident </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41QybrYCWJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41v4eSa2YwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Jb0MYSOfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414yRGiIaVL.jpg" noproxy>