3M Dual-Swivel Monitor Arm (MA140MB)<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"> Provides 7 1/2 in of height adjustability and extends 19 1/2 in from the base </span></li><li><span class="a-list-item"> Clamp mount fits up to 4 1/4 in thick; grommet mount fits up to 2 1/4 in thick </span></li><li><span class="a-list-item"> Weight capacity of 30 lbs. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31nWFyGE6BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41T8mK%2BYcVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/3161jDwLM3L.jpg" noproxy>