The InFocus Projector Ceiling Installation Plate allows easy installation for ceiling projectors weighing up to 500 lb (227 kg), when used with universal mounts or extension arms.
With the 4 x 4" (101.6 x 101.6 mm) mounting pattern, the Projector Ceiling Installation Plate supports 0.38" (9.6mm) mounting bolts that can be used through all 4 holes or 2 opposing holes while mounting the projector. The Projector Plate has a 1.5” NPT threaded opening and sports a black finish.