The PBC Series of universal projector mounts fit most projectors weighing up to 60 lb. (27.2 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 Black PBC-UMS offers flexible projector positioning with four patented dual-joint support arms (US Patent number 7942375) 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.