ADD ON TOP TV/ MONITOR STANDADD ON TOP TV MONITOR STAND ATTENTION THIS AD DOES NOT INCLUDE COCKPIT AND ELECTRONICS. Angle and height adjustment. Top display stand will accommodate screens between 24" and 40" wide (16x9) if the main (bottom) display is up to 50" wide (16x9); If the lower screen is between 50" and 60" wide, the upper screen can be between 24" and 34" wide; Compatible with screens that have a VESA rear hole pattern between 75 and 200 (distance between the threads);