Waterloo Standard Arm， Keyboard Tray &amp; Mouse Tray Package Black<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"> Look at description for Arm &amp; Tray Features </span></li><li><span class="a-list-item"> Our Most Popular combination! </span></li><li><span class="a-list-item"> Includes: Waterloo Economy Keyboard Arm &amp; Waterloo Basic Keyboard With Mouse Tray </span></li><li><span class="a-list-item"> Keyboard tray travels 12 inches </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Y-LwVdPzL.jpg" noproxy>