This premium laptop stand features a six-inch (15 cm) height adjustment range, providing true ergonomic functionality: lift, turn and tilt a laptop’s screen to the optimum position to increase comfort and productivity. Holds up to 6.4 kg. Integrated base rollers enable 360° rotation of the stand so you can share your views with others. Make group-viewing of family photos or the Internet more enjoyable and easy. Superior technical design enables use with or without a port replicator. Easy to use—simple installation and effortless operation. Can be used as a projector platform, too. Patented Constant Force™ motion technology. 16.2 x 15.6 x 4.8 in. Sold by each. Black.