Sold as 1 Each. Wire mesh, hanging organizer that attaches to desktop and hangs to provide underdesk storage. Features 1 desktop tray and 4 underdesk trays for sorting letter-size documents. Durable, lightweight, steel mesh construction with scratch-resistant Black powder coat finish and attractively rolled edges. Avoid excessive bending or reaching. Design performs well in sit-stand applications and other mobile work environments; organizer easily can move with you from one work surface to another. Easily attach with clamp. Hanging design offers a document storage solution that helps keep desktop free of clutter. Organize with 5 horizontal sections and accessory tray. Organizer attaches to surfaces up to 1 3/4' thick and includes a rubber-headed tightening screw for secure, non-damaging installation.