The Panasonic ET-PKD100H is a projector ceiling mount bracket for high ceilings; it works with specific Panasonic projectors. This bracket offers adjuster poles to mount the projector a workable distance from a high ceiling.
ET-PKD100H Ceiling Mount Bracket for Projectors
Projector Mount Bracket
Pole Support Bracket 1
Pole Support Bracket 2
Nut and Bolt Hardware