Quick overview from the supplier:
Ceiling Mount Reflecta "Supra" Universal Silver, 380mm, max.load 25kg
Stable and solid construction. Projector tiltable at each side 10°
and front side 30°. Universal projector plate, tool kit and screws
for changing the height are included. For all types of Data Video Projectors.
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https://reflecta.de/en/ceiling-mounts/129-reflecta-supra-ceiling-mount-380-mm.html
