Suitable for the projector ceiling mount method, mount/fixing and operating easily, easily adjusting degree of projecting angle. 1. Suitable for the ceiling mount method of projector.2. Steel material with white/black painting.3. For most of the projectors.HS Code: 8302490000 ModelHeightWJ-CRI-01-140135mm WJ-CRI-01 series,Fixing Steel Adjustable brackets Projector ceiling mount/Kit