Flush ceiling mount supports most bottom-mounted LCD projectors that weigh up to 26 lb. Mount attaches the projector flush to the ceiling so that the projector hangs about 6" from the ceiling. Ball-and-socket joint provides flexible tilt and 360 degree rotation for the best projection angle. The Quick Release knob detaches projector from the mounting tube for maintenance or storage. Four adjustable arms spread out to attach to the mounting nuts built into the projector casing. Ceiling mount includes four sets of mounting screws and spacers to fit most projectors. Ceiling mounting hardware is not included. 4 lb. ceiling mount is made of lightweight aluminum with an off-white finish.