QualGear PRO-AV QG-KIT-CA-3IN-W projector mounting kit includes a professional grade QG-PRO-PM-50-W projector mount, QG-PRO-PM-CA-W single joist ceiling adapter, and a QG-PRO-PM-3IN-W 3 inch 1.5-inch NPT threaded pipe in white. Easy installation with color installation manual and presorted hardware. This projector mounting kit is suitable for mounting to single wood joist, wood beam, wood stud, and concrete ceiling surfaces. For details about each component of this mounting kit, please look up their model number. Depending on your projector, adjust the extension brackets on the projector mount accordingly by using Allen Key. If your projector model has three mounting holes only, please remove the fourth extension bracket using Allen Key