Fits any size desk space. Use all 3 platforms for a large mousing area or remove 1 platform to fit just your keyboard. Adjusts in height up to 6", tilts +/- 15° and rotates 360°. Every SmartFit® product includes a hand chart to indicate the specific SmartFit® colour setting that will deliver optimum ergonomic comfort. Easy colour-coded window lets you adjust the unit instantly to your unique SmartFit® comfort colour. 3-year limited warranty. 21"W x 11"D. Black.