Three adjustable models position center of projector to a maximum of 16/30/55" from the wall. JS2 short throw dual stud projector arm 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. JS2 short throw dual stud projector compatible with all projector mounts with 1.5 NPT threaded interface.