Monoprice 110276 11 Arm Camera Skate Dolly<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"> The central locking knob locks and loosens all adjustment points， including the rotation of the ball joints </span></li><li><span class="a-list-item"> It employs 1/4x20 thread connections and includes a cold-shoe mount for use with a camera or other shoe-equipped camera mount </span></li><li><span class="a-list-item"> The arm is constructed of aluminum and measures about 10 5/8 from the end of each ball joint mounting screw </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Sp2qcC9IL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DUWb8BfkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41nxI3k4qhL.jpg" noproxy>