The PBM-UNI is a Heavy Duty Universal Projector Mount for projectors weighing up to 150 lb./56.8 kgIt can be secured to a single wood stud, standard 1.5 inch NPT pipe, or directly to the ceiling. Can be attached to optional adjustable suspension adapters for a faster and easier installation.The slotted base with adjustable legs reach wider mounting points. There are 15 degrees of rotation adjustments if secured to the ceiling, or 360-degree rotation when used with NPT pipe, +/- 6 degrees tilt and +/- 3 degrees roll with positive locking of set angles.