Ideal for flat panel ceiling mounts or projector mounts, the CMJ470 Ceiling Plate Mount can be attached to a finished ceiling (wood joists) or wood beam using the four washer head wood screws included, or a structural ceiling (concrete) using concrete anchor accessory kit ACC244 (sold separately). Designed with esthetics in mind all mounting hardware is neatly covered creating a finished appearance to any application. More from the Manufacturer