Mounting a projector

Four fully adjustable and extendable swing arms provide versatility in mounting
Fits both projectors with three and four holes
Suitable for projectors with mounting holes up to 11" apart. To determine if this mount will work for your projector, you must find a center point between the mounting holes and measure from this point to each of them. This mount should work if the distance between each hole is 5.5" or less.
The steel construction industry
Easily swivels 360 degrees
Continually adjustable tilt (up and down) of 30 degrees
The distance between the ceiling and the projector is 5.9 inches 
22 pounds of load capacity
A ceiling plate with a diameter of 4.75"
Black in color