Quartet - QRTWPS2000 Easy gliding door-like privacy screen mounts to outside of any cubicle panel system. High quality, clear plastic provides glass appearance. Privacy screen has two wheels at the base of the H-frame design. Install on 1-1/4" to 3-1/4" thick panels that stand at least 65" tall. Use included height extenders for panel height over 68". Privacy screen includes nameplate to identify cubicle user and dry-erase board with a marker.