The Fellowes 8018001 Professional Series Compact Keyboard Tray provides comfort and maneuverability for smaller workspaces. The lift-and-lock feature lets you adjust height with one hand. Single manual knob adjusts tilt up to -10 degrees for optimal comfort. The Warning Trak keeps mouse from sliding off platform for both right- and left-handed mousing. The Health-V memory foam help relieves wrist pressure to prevent carpal tunnel syndrome and the Microban antimicrobial protection helps stay cleaner and reduces germs.