Description: Keyboard Drawer SmartFit system lets you quickly and easily set your optimal viewing height. Shelf raises monitor for improved position with keyboard and mouse storage. Easy-to-install extension legs adjust height for viewing comfort. Extra-wide tray with room for oversized keyboards and integrated mousing area. Full-length wrist pad provides all-day comfort and support for typing and mousing. Strong shelf supports monitors up to 21~~~~~ and 36kg. Three Year Warranty.