The Custom RPA Projector Mounts can be ordered to fit any projector for a quick and easy install. - For the interface bracket that attaches to your projector see Chief's MountFinder to determine which model number matches your specific projector. - Ships with custom interface bracket to fit your specific projector - Independent roll, pitch and yaw for quick and precise projector image registration - Quick projector connect and disconnect with convenient lamp and filter access on most projectors - Maintains registration when disconnected and doesn't affect preset adjustments - All-Points™ Security Systems provides exclusive steel into steel locking hardware at all connection points to protect against theft - Multiple installation options: flush mount to ceiling, 0.25" threaded rod, or 1.5" NPT threaded extension column - Integrated cable management through top of mount without additional accessories