It is a tray that can be attached to OA desks where documents and recording media tend to be cluttered.
The state is easily maintained when the rail is fully closed or fully opened.
Specification
Drawer Tray 210-110-586
Set Contents/Accessories: Slide Rail x 2, Bracket for Slide Rail x 4, Cross Recessed Pan Head Screws M4 x 5 x 4, Cross Recessed Truss Tapping Screws 4 x 12...8