With 3 height settings (10 / 11.5 / 13cm) for maximum comfort. Suitable for flat screens up to 53.3cm (21") or max. 10kg weight. Incl. letter tray and 2 accessory compartments for additional storage space. Unique shape is perfect for corner desks. Meets the ergonomic requirements for office activities with visual display units confirmed by FIRA Int. Ltd, an independent... ergonomics accreditation body (ISO 9241-5:1998).