The OEM Fellowes Designer Suites Monitor Riser is designed to prevent neck and shoulder strain with three height adjustments. It height adjusts up to 1-5/8 inches, allowing for optimal viewing between 4-3/8 inches and 6 inches. This riser features a storage tray to help organize your essentials and offers nonskid rubber feet to protect your worksurface. It supports monitors up to 21 inches and 40 pounds, with dimensions of 16 inches wide by 9-3/8 inches deep by 4-3/8 inches high, in a sleek black finish.