Half privacy panel is part of Balt's iFlex Modular Desking that offers ergonomic and attractive curves to create work-space comfort. With logical design and modern good looks, iFlex Modular Desking provides the ultimate in flexibility for designing your conference room, boardroom, office work spaces or home office. This panel sets up along desktop edges to define work areas, provide privacy and help shield sound without impairing visibility. You can also hang special organizer trays (not included) on the top edge to avoid desktop clutter. The 21-1/2" width easily covers the side of iFlex desks. Panel mounts easily onto desks from 3/4" to 1-1/2" thick without using permanent hardware to damage the surface. Easily attach and detach with the included brackets and screws.