Two adjustable models position center of short throw projector mounts to a maximum of 16" or 30" from the wall. Ideal for projectors weighing up to 50 lb. Quick and secure hook in place arm attachment with +/-5° height/pitch adjustment at the wall plate. Internal cord management for easy wiring and a clean look. Compatible with all short throw projector mounts with 1.5 NPT threaded interface. Built-in roll, pitch and yaw adjustments make alignment fast and easy. Quick release mechanism allows short throw projector mounts to be easily removed for service. Compatible with all 1.5 NPT threaded interface.