- material: metal
- Colour: Black
- Applicable people: white-collar workers, doctors, faculty, teachers, etc.
- Scope of application: schools, hospitals, offices, archives, libraries, families, etc.
- 1. Put the expansion screw into the pipe, then press it into the workbench, do not hit
- 2. Screw in the side frame, note: the groove on the side rail is facing inwards
- 3. Screw into the other side of the frame
- 4. Put in the file tray
Install a slightly larger screwdriver when installing the expansion screw. After installation, the screw is tightened and it is not easy to loosen.
- 1 X 4 layer file holder metal grid letter tray