SLIK SBH-320 Professional Ballhead 320 with DQ-L Quick Release - Supports 15.4 lbs (7 kg)， Black (618-320)<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"> All-metal construction </span></li><li><span class="a-list-item"> Panning base， with degree markings </span></li><li><span class="a-list-item"> Base diameter of 2.3" (58mm) </span></li><li><span class="a-list-item"> DQ-L quick release system </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rX8SW7zpL.jpg" noproxy>