The PBC Series of universal projector mounts fit most projectors weighing up to 40 lb. (18 kg). It includes a standard 1.5 in. NPT coupler and ceiling plate that mounts to a single stud or 4.5 in. bolt pattern. The PBC-UMS offers flexible projector positioning with four patented dual-joint support arms (US Patent number 7,942,375) that can reach almost any mounting point on a projector. It also includes a quick release connector that allows the projector to be installed quickly and then easily released for maintenance, without re-alignment.