VIVO Black Clamp-on Keyboard Tray 20 x 11 in MOUNT-KB05ESProduct DescriptionThis is a clamp-on keyboard tray designed to add ergonomic typing capability to desks with limited space. The tray measures 20 inches by 11 inches and mounts to desk edges up to 2.2 inches thick using sturdy C-clamps. It slides smoothly in and out, extending up to 9.5 inches beyond the desk edge while keeping your keyboard below the desk surface for a clean look. The tray supports keyboards weighing up to 11 poundsProductdimensions11.0 x 0.6 x 20.0 inchesMaterialAlloy