PCMD, LLC. Projector Ceiling Mount Compatible with Optoma EH416 EH490 ES388 GT1070Xe GT1080e W416 X416 with Lateral Shift Coupling (5-Inch Extension) 100% Aircraft Aluminum (6061-T6) Construction All the necessary hardware included Detailed instructions for easy and quick installation Sets the projector approximately 5 inches away from the ceiling Lateral Shift Coupling allows 1-1/2 inches of left/right lateral adjustment