The topselling projector mount in the industry More of these mounts are installed in offices schools and homes than any other mount. Independent roll pitch and yaw for quick and precise projector registration Quick connect/disconnect for convenient lamp and filter access on most projectors Maintains registration when disconnected and doesn't affect preset adjustments AllPoints Security exclusive steelintosteel locking hardware at all key connection points to protect against theft Multiple installation options: flush mount to ceiling mount with 0.25 threaded rods or mount with 1.5 NPT threaded extension column Cable management without additional accessories This product ships in approximately 1 days