The PRB-2 projector mount from Atlona features a visually attractive universal mounting system that fits any small or medium-sized projector on the market. Using four fully adjustable mounting arms, the mount can be adjusted for use with wide or narrow projector styles. The bracket is expandable, which will allow a projector to be mounted 420mm~650mm (16.5in~25.5in) from the ceiling. A +/-15º tilt, +/-25º pitch and a +/-5º turn allows for a variety of adjustments.This bracket includes 1 pair of long projector arms and 1 pair of short projector arms that extend from the brackets head. Thus there will be 2 numbers that you have to look at in order to make sure that the distance between screws on the projector matches the bracket. Examples 1 and 2 explain show the distance for 2 different types of projectors.This bracket will hold projectors up to 13kg(28.6lbs).