The Quik Lok Add-On Laptop Holder is a laptop stand that can attach to X-Series keyboard stands. It is compatible with the QL-646, QL-746, QL-609, QL-610, QL-641 and QL-642. The support can accommodate any size laptop, without blocking access to ports, expansion slots, or the optical drive. A pull-out mouse tray, which can be positioned on either side of the stand, retracts for easy storage. The stand supports height, tilt and 360deg. swivel adjustment.