Durable, lightweight, steel mesh construction with scratch-resistant black powder coat finish and attractively rolled edges..Wire mesh, hanging organizer that attaches to desktop.Hanging design offers a document storage solution that helps keep desktop free of clutter.Design performs well in sit-stand and other mobile work environments.Features 1 desktop tray and 3 underdesk trays for sorting letter-size documents.Organizer attaches to surfaces up to 2" thick.The Onyx horizontal hanging storage unit is a wire mesh organizer that easily attaches to a desktop and hangs below it, providing under desk storage that saves space and time. Features one desktop tray and four under desk trays for sorting letter-size documents, folders and files. It also has an under desk pencil tray for storing pens, pencils and other supplies. The hanging storage design keeps your desktop clutter free and pairs well with standing-height or adjustable-height desks or tables. This sleek mesh organizer attaches to surfaces up to 1 3/4" thick and includes a rubber-headed tightening screw so that it can be securely mounted without damaging the surface. Created with a steel base and powder coat finish for added durability.