Ceiling Plate, Color Black, Finish Gloss, Overall Load Capacity 150 lb, Material Steel, Overall Width 24 3/8 in, Mounting Location Wall, Overall Height 16 3/4 in, Overall Depth 3 5/8 in, Includes Mounting Hardware Yes, Compatible Diagonal Screen Size Minimum 39 in, Compatible Diagonal Screen Size Maximum 90 in, Features Mounts to 16 in Wood Joist Structural Ceiling, Unit Has 1-1/2 11.5 NPT Fitting for Attachment of Extension Column, Includes Ceiling Plate, Mounting Hardware